Merge branch 'development' into h-node

29 files changed, 5415 insertions, 0 deletions

diff --git a/External/swiftmailer/lib/classes/Swift/Mime/Attachment.php b/External/swiftmailer/lib/classes/Swift/Mime/Attachment.php
new file mode 100755
index 0000000..25ef68b
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/Attachment.php
@@ -0,0 +1,143 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/SimpleMimeEntity.php';
+//@require 'Swift/Mime/ContentEncoder.php';
+//@require 'Swift/Mime/HeaderSet.php';
+//@require 'Swift/FileStream.php';
+//@require 'Swift/KeyCache.php';
+
+/**
+ * An attachment, in a multipart message.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_Attachment extends Swift_Mime_SimpleMimeEntity
+{
+  
+  /** Recognized MIME types */
+  private $_mimeTypes = array();
+  
+  /**
+   * Create a new Attachment with $headers, $encoder and $cache.
+   * @param Swift_Mime_HeaderSet $headers
+   * @param Swift_Mime_ContentEncoder $encoder
+   * @param Swift_KeyCache $cache
+   * @param array $mimeTypes optional
+   */
+  public function __construct(Swift_Mime_HeaderSet $headers,
+    Swift_Mime_ContentEncoder $encoder, Swift_KeyCache $cache,
+    $mimeTypes = array())
+  {
+    parent::__construct($headers, $encoder, $cache);
+    $this->setDisposition('attachment');
+    $this->setContentType('application/octet-stream');
+    $this->_mimeTypes = $mimeTypes;
+  }
+  
+  /**
+   * Get the nesting level used for this attachment.
+   * Always returns {@link LEVEL_MIXED}.
+   * @return int
+   */
+  public function getNestingLevel()
+  {
+    return self::LEVEL_MIXED;
+  }
+  
+  /**
+   * Get the Content-Disposition of this attachment.
+   * By default attachments have a disposition of "attachment".
+   * @return string
+   */
+  public function getDisposition()
+  {
+    return $this->_getHeaderFieldModel('Content-Disposition');
+  }
+  
+  /**
+   * Set the Content-Disposition of this attachment.
+   * @param string $disposition
+   */
+  public function setDisposition($disposition)
+  {
+    if (!$this->_setHeaderFieldModel('Content-Disposition', $disposition))
+    {
+      $this->getHeaders()->addParameterizedHeader(
+        'Content-Disposition', $disposition
+        );
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the filename of this attachment when downloaded.
+   * @return string
+   */
+  public function getFilename()
+  {
+    return $this->_getHeaderParameter('Content-Disposition', 'filename');
+  }
+  
+  /**
+   * Set the filename of this attachment.
+   * @param string $filename
+   */
+  public function setFilename($filename)
+  {
+    $this->_setHeaderParameter('Content-Disposition', 'filename', $filename);
+    $this->_setHeaderParameter('Content-Type', 'name', $filename);
+    return $this;
+  }
+  
+  /**
+   * Get the file size of this attachment.
+   * @return int
+   */
+  public function getSize()
+  {
+    return $this->_getHeaderParameter('Content-Disposition', 'size');
+  }
+  
+  /**
+   * Set the file size of this attachment.
+   * @param int $size
+   */
+  public function setSize($size)
+  {
+    $this->_setHeaderParameter('Content-Disposition', 'size', $size);
+    return $this;
+  }
+  
+  /**
+   * Set the file that this attachment is for.
+   * @param Swift_FileStream $file
+   * @param string $contentType optional
+   */
+  public function setFile(Swift_FileStream $file, $contentType = null)
+  {
+    $this->setFilename(basename($file->getPath()));
+    $this->setBody($file, $contentType);
+    if (!isset($contentType))
+    {
+      $extension = strtolower(substr(
+        $file->getPath(), strrpos($file->getPath(), '.') + 1
+        ));
+      
+      if (array_key_exists($extension, $this->_mimeTypes))
+      {
+        $this->setContentType($this->_mimeTypes[$extension]);
+      }
+    }
+    return $this;
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/CharsetObserver.php b/External/swiftmailer/lib/classes/Swift/Mime/CharsetObserver.php
new file mode 100755
index 0000000..c26009f
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/CharsetObserver.php
@@ -0,0 +1,26 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Observes changes in an Mime entity's character set.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+interface Swift_Mime_CharsetObserver
+{
+  
+  /**
+   * Notify this observer that the entity's charset has changed.
+   * @param string $charset
+   */
+  public function charsetChanged($charset);
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder.php b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder.php
new file mode 100755
index 0000000..e1c99c5
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder.php
@@ -0,0 +1,41 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Encoder.php';
+//@require 'Swift/InputByteStream.php';
+//@require 'Swift/OutputByteStream.php';
+
+/**
+ * Interface for all Transfer Encoding schemes.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+interface Swift_Mime_ContentEncoder extends Swift_Encoder
+{
+  
+  /**
+   * Encode $in to $out.
+   * @param Swift_OutputByteStream $os to read from
+   * @param Swift_InputByteStream $is to write to
+   * @param int $firstLineOffset
+   * @param int $maxLineLength - 0 indicates the default length for this encoding
+   */
+  public function encodeByteStream(
+    Swift_OutputByteStream $os, Swift_InputByteStream $is, $firstLineOffset = 0,
+    $maxLineLength = 0);
+  
+  /**
+   * Get the MIME name of this content encoding scheme.
+   * @return string
+   */
+  public function getName();
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php
new file mode 100755
index 0000000..e89938e
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/Base64ContentEncoder.php
@@ -0,0 +1,81 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/ContentEncoder.php';
+//@require 'Swift/Encoder/Base64Encoder.php';
+//@require 'Swift/InputByteStream.php';
+//@require 'Swift/OutputByteStream.php';
+
+/**
+ * Handles Base 64 Transfer Encoding in Swift Mailer.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_ContentEncoder_Base64ContentEncoder
+  extends Swift_Encoder_Base64Encoder
+  implements Swift_Mime_ContentEncoder
+{
+  
+  /**
+   * Encode stream $in to stream $out.
+   * @param Swift_OutputByteStream $in
+   * @param Swift_InputByteStream $out
+   * @param int $firstLineOffset
+   * @param int $maxLineLength, optional, 0 indicates the default of 76 bytes
+   */
+  public function encodeByteStream(
+    Swift_OutputByteStream $os, Swift_InputByteStream $is, $firstLineOffset = 0,
+    $maxLineLength = 0)
+  {
+    if (0 >= $maxLineLength || 76 < $maxLineLength)
+    {
+      $maxLineLength = 76;
+    }
+    
+    $remainder = 0;
+    
+    while (false !== $bytes = $os->read(8190))
+    {
+      $encoded = base64_encode($bytes);
+      $encodedTransformed = '';
+      $thisMaxLineLength = $maxLineLength - $remainder - $firstLineOffset;
+      
+      while ($thisMaxLineLength < strlen($encoded))
+      {
+        $encodedTransformed .= substr($encoded, 0, $thisMaxLineLength) . "\r\n";
+        $firstLineOffset = 0;
+        $encoded = substr($encoded, $thisMaxLineLength);
+        $thisMaxLineLength = $maxLineLength;
+        $remainder = 0;
+      }
+      
+      if (0 < $remainingLength = strlen($encoded))
+      {
+        $remainder += $remainingLength;
+        $encodedTransformed .= $encoded;
+        $encoded = null;
+      }
+      
+      $is->write($encodedTransformed);
+    }
+  }
+  
+  /**
+   * Get the name of this encoding scheme.
+   * Returns the string 'base64'.
+   * @return string
+   */
+  public function getName()
+  {
+    return 'base64';
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/PlainContentEncoder.php b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/PlainContentEncoder.php
new file mode 100755
index 0000000..4a725d8
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/PlainContentEncoder.php
@@ -0,0 +1,175 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/ContentEncoder.php';
+//@require 'Swift/InputByteStream.php';
+//@require 'Swift/OutputByteStream.php';
+
+/**
+ * Handles binary/7/8-bit Transfer Encoding in Swift Mailer.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_ContentEncoder_PlainContentEncoder
+  implements Swift_Mime_ContentEncoder
+{
+  
+  /**
+   * The name of this encoding scheme (probably 7bit or 8bit).
+   * @var string
+   * @access private
+   */
+  private $_name;
+  
+  /**
+   * True if canonical transformations should be done.
+   * @var boolean
+   * @access private
+   */
+  private $_canonical;
+  
+  /**
+   * Creates a new PlainContentEncoder with $name (probably 7bit or 8bit).
+   * @param string $name
+   * @param boolean $canonical If canonicalization transformation should be done.
+   */
+  public function __construct($name, $canonical = false)
+  {
+    $this->_name = $name;
+    $this->_canonical = $canonical;
+  }
+  
+  /**
+   * Encode a given string to produce an encoded string.
+   * @param string $string
+   * @param int $firstLineOffset, ignored
+   * @param int $maxLineLength - 0 means no wrapping will occur
+   * @return string
+   */
+  public function encodeString($string, $firstLineOffset = 0,
+    $maxLineLength = 0)
+  {
+    if ($this->_canonical)
+    {
+      $string = $this->_canonicalize($string);
+    }
+    return $this->_safeWordWrap($string, $maxLineLength, "\r\n");
+  }
+  
+  /**
+   * Encode stream $in to stream $out.
+   * @param Swift_OutputByteStream $in
+   * @param Swift_InputByteStream $out
+   * @param int $firstLineOffset, ignored
+   * @param int $maxLineLength, optional, 0 means no wrapping will occur
+   */
+  public function encodeByteStream(
+    Swift_OutputByteStream $os, Swift_InputByteStream $is, $firstLineOffset = 0,
+    $maxLineLength = 0)
+  {
+    $leftOver = '';
+    while (false !== $bytes = $os->read(8192))
+    {
+      $toencode = $leftOver . $bytes;
+      if ($this->_canonical)
+      {
+        $toencode = $this->_canonicalize($toencode);
+      }
+      $wrapped = $this->_safeWordWrap($toencode, $maxLineLength, "\r\n");
+      $lastLinePos = strrpos($wrapped, "\r\n");
+      $leftOver = substr($wrapped, $lastLinePos);
+      $wrapped = substr($wrapped, 0, $lastLinePos);
+      
+      $is->write($wrapped);
+    }
+    if (strlen($leftOver))
+    {
+      $is->write($leftOver);
+    }
+  }
+  
+  /**
+   * Get the name of this encoding scheme.
+   * @return string
+   */
+  public function getName()
+  {
+    return $this->_name;
+  }
+  
+  /**
+   * Not used.
+   */
+  public function charsetChanged($charset)
+  {
+  }
+  
+  // -- Private methods
+  
+  /**
+   * A safer (but weaker) wordwrap for unicode.
+   * @param string $string
+   * @param int $length
+   * @param string $le
+   * @return string
+   * @access private
+   */
+  private function _safeWordwrap($string, $length = 75, $le = "\r\n")
+  {
+    if (0 >= $length)
+    {
+      return $string;
+    }
+    
+    $originalLines = explode($le, $string);
+    
+    $lines = array();
+    $lineCount = 0;
+    
+    foreach ($originalLines as $originalLine)
+    {
+      $lines[] = '';
+      $currentLine =& $lines[$lineCount++];
+      
+      //$chunks = preg_split('/(?<=[\ \t,\.!\?\-&\+\/])/', $originalLine);
+      $chunks = preg_split('/(?<=\s)/', $originalLine);
+      
+      foreach ($chunks as $chunk)
+      {
+        if (0 != strlen($currentLine)
+          && strlen($currentLine . $chunk) > $length)
+        {
+          $lines[] = '';
+          $currentLine =& $lines[$lineCount++];
+        }
+        $currentLine .= $chunk;
+      }
+    }
+    
+    return implode("\r\n", $lines);
+  }
+  
+  /**
+   * Canonicalize string input (fix CRLF).
+   * @param string $string
+   * @return string
+   * @access private
+   */
+  private function _canonicalize($string)
+  {
+    return str_replace(
+      array("\r\n", "\r", "\n"),
+      array("\n", "\n", "\r\n"),
+      $string
+      );
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php
new file mode 100755
index 0000000..3beeb63
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/ContentEncoder/QpContentEncoder.php
@@ -0,0 +1,117 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/ContentEncoder.php';
+//@require 'Swift/Encoder/QpEncoder.php';
+//@require 'Swift/InputByteStrean.php';
+//@require 'Swift/OutputByteStream.php';
+//@require 'Swift/CharacterStream.php';
+
+/**
+ * Handles Quoted Printable (QP) Transfer Encoding in Swift Mailer.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_ContentEncoder_QpContentEncoder extends Swift_Encoder_QpEncoder
+  implements Swift_Mime_ContentEncoder
+{
+
+  /**
+   * Creates a new QpContentEncoder for the given CharacterStream.
+   * @param Swift_CharacterStream $charStream to use for reading characters
+   * @param Swift_StreamFilter $filter if canonicalization should occur
+   */
+  public function __construct(Swift_CharacterStream $charStream,
+    Swift_StreamFilter $filter = null)
+  {
+    parent::__construct($charStream, $filter);
+  }
+
+  /**
+   * Encode stream $in to stream $out.
+   * QP encoded strings have a maximum line length of 76 characters.
+   * If the first line needs to be shorter, indicate the difference with
+   * $firstLineOffset.
+   * @param Swift_OutputByteStream $os output stream
+   * @param Swift_InputByteStream $is input stream
+   * @param int $firstLineOffset
+   * @param int $maxLineLength
+   */
+  public function encodeByteStream(
+    Swift_OutputByteStream $os, Swift_InputByteStream $is, $firstLineOffset = 0,
+    $maxLineLength = 0)
+  {
+    if ($maxLineLength > 76 || $maxLineLength <= 0)
+    {
+      $maxLineLength = 76;
+    }
+
+    $thisLineLength = $maxLineLength - $firstLineOffset;
+
+    $this->_charStream->flushContents();
+    $this->_charStream->importByteStream($os);
+    
+    $currentLine = '';
+    $prepend = '';
+    $size=$lineLen=0;
+
+    while (false !== $bytes = $this->_nextSequence())
+    {
+      //If we're filtering the input
+      if (isset($this->_filter))
+      {
+        //If we can't filter because we need more bytes
+        while ($this->_filter->shouldBuffer($bytes))
+        {
+          //Then collect bytes into the buffer
+          if (false === $moreBytes = $this->_nextSequence(1))
+          {
+            break;
+          }
+
+          foreach ($moreBytes as $b)
+          {
+            $bytes[] = $b;
+          }
+        }
+        //And filter them
+        $bytes = $this->_filter->filter($bytes);
+      }
+
+      $enc = $this->_encodeByteSequence($bytes, $size);
+      if ($currentLine && $lineLen+$size >= $thisLineLength)
+      {
+        $is->write($prepend . $this->_standardize($currentLine));
+        $currentLine = '';
+        $prepend = "=\r\n";
+        $thisLineLength = $maxLineLength;
+        $lineLen=0;
+      }
+      $lineLen+=$size;
+      $currentLine .= $enc;
+    }
+    if (strlen($currentLine))
+    {
+      $is->write($prepend . $this->_standardize($currentLine));
+    }
+  }
+
+  /**
+   * Get the name of this encoding scheme.
+   * Returns the string 'quoted-printable'.
+   * @return string
+   */
+  public function getName()
+  {
+    return 'quoted-printable';
+  }
+
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/EmbeddedFile.php b/External/swiftmailer/lib/classes/Swift/Mime/EmbeddedFile.php
new file mode 100755
index 0000000..983b78d
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/EmbeddedFile.php
@@ -0,0 +1,51 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/Attachment.php';
+//@require 'Swift/Mime/ContentEncoder.php';
+//@require 'Swift/KeyCache.php';
+//@require
+
+/**
+ * An embedded file, in a multipart message.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_EmbeddedFile extends Swift_Mime_Attachment
+{
+  
+  /**
+   * Creates a new Attachment with $headers and $encoder.
+   * @param Swift_Mime_HeaderSet $headers
+   * @param Swift_Mime_ContentEncoder $encoder
+   * @param Swift_KeyCache $cache
+   * @param array $mimeTypes optional
+   */
+  public function __construct(Swift_Mime_HeaderSet $headers,
+    Swift_Mime_ContentEncoder $encoder, Swift_KeyCache $cache,
+    $mimeTypes = array())
+  {
+    parent::__construct($headers, $encoder, $cache, $mimeTypes);
+    $this->setDisposition('inline');
+    $this->setId($this->getId());
+  }
+  
+  /**
+   * Get the nesting level of this EmbeddedFile.
+   * Returns {@link LEVEL_RELATED}.
+   * @return int
+   */
+  public function getNestingLevel()
+  {
+    return self::LEVEL_RELATED;
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/EncodingObserver.php b/External/swiftmailer/lib/classes/Swift/Mime/EncodingObserver.php
new file mode 100755
index 0000000..50472db
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/EncodingObserver.php
@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/ContentEncoder.php';
+
+/**
+ * Observes changes for a Mime entity's ContentEncoder.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+interface Swift_Mime_EncodingObserver
+{
+  
+  /**
+   * Notify this observer that the observed entity's ContentEncoder has changed.
+   * @param Swift_Mime_ContentEncoder $encoder
+   */
+  public function encoderChanged(Swift_Mime_ContentEncoder $encoder);
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/Header.php b/External/swiftmailer/lib/classes/Swift/Mime/Header.php
new file mode 100755
index 0000000..38fc40c
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/Header.php
@@ -0,0 +1,85 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * A MIME Header.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+interface Swift_Mime_Header
+{
+  
+  /** Text headers */
+  const TYPE_TEXT = 2;
+  
+  /** Parameterized headers (text + params) */
+  const TYPE_PARAMETERIZED = 6;
+
+  /** Mailbox and address headers */
+  const TYPE_MAILBOX = 8;
+  
+  /** Date and time headers */
+  const TYPE_DATE = 16;
+  
+  /** Identification headers */
+  const TYPE_ID = 32;
+  
+  /** Address path headers */
+  const TYPE_PATH = 64;
+  
+  /**
+   * Get the type of Header that this instance represents.
+   * @return int
+   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
+   * @see TYPE_DATE, TYPE_ID, TYPE_PATH
+   */
+  public function getFieldType();
+  
+  /**
+   * Set the model for the field body.
+   * The actual types needed will vary depending upon the type of Header.
+   * @param mixed $model
+   */
+  public function setFieldBodyModel($model);
+  
+  /**
+   * Set the charset used when rendering the Header.
+   * @param string $charset
+   */
+  public function setCharset($charset);
+  
+  /**
+   * Get the model for the field body.
+   * The return type depends on the specifics of the Header.
+   * @return mixed
+   */
+  public function getFieldBodyModel();
+  
+  /**
+   * Get the name of this header (e.g. Subject).
+   * The name is an identifier and as such will be immutable.
+   * @return string
+   */
+  public function getFieldName();
+  
+  /**
+   * Get the field body, prepared for folding into a final header value.
+   * @return string
+   */
+  public function getFieldBody();
+  
+  /**
+   * Get this Header rendered as a compliant string.
+   * @return string
+   */
+  public function toString();
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/HeaderEncoder.php b/External/swiftmailer/lib/classes/Swift/Mime/HeaderEncoder.php
new file mode 100755
index 0000000..cc70c5f
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/HeaderEncoder.php
@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Encoder.php';
+
+/**
+ * Interface for all Header Encoding schemes.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+interface Swift_Mime_HeaderEncoder extends Swift_Encoder
+{
+  
+  /**
+   * Get the MIME name of this content encoding scheme.
+   * @return string
+   */
+  public function getName();
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/HeaderEncoder/Base64HeaderEncoder.php b/External/swiftmailer/lib/classes/Swift/Mime/HeaderEncoder/Base64HeaderEncoder.php
new file mode 100755
index 0000000..feaba98
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/HeaderEncoder/Base64HeaderEncoder.php
@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+require_once dirname(__FILE__) . '/../HeaderEncoder.php';
+require_once dirname(__FILE__) . '/../../Encoder/Base64Encoder.php';
+
+
+/**
+ * Handles Base64 (B) Header Encoding in Swift Mailer.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_HeaderEncoder_Base64HeaderEncoder
+  extends Swift_Encoder_Base64Encoder
+  implements Swift_Mime_HeaderEncoder
+{
+  
+  /**
+   * Get the name of this encoding scheme.
+   * Returns the string 'B'.
+   * @return string
+   */
+  public function getName()
+  {
+    return 'B';
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/HeaderEncoder/QpHeaderEncoder.php b/External/swiftmailer/lib/classes/Swift/Mime/HeaderEncoder/QpHeaderEncoder.php
new file mode 100755
index 0000000..d727da0
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/HeaderEncoder/QpHeaderEncoder.php
@@ -0,0 +1,99 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+require_once dirname(__FILE__) . '/../HeaderEncoder.php';
+require_once dirname(__FILE__) . '/../../Encoder/QpEncoder.php';
+require_once dirname(__FILE__) . '/../../CharacterStream.php';
+
+/**
+ * Handles Quoted Printable (Q) Header Encoding in Swift Mailer.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_HeaderEncoder_QpHeaderEncoder extends Swift_Encoder_QpEncoder
+  implements Swift_Mime_HeaderEncoder
+{
+
+  private static $_headerSafeMap = array();
+
+  /**
+   * Creates a new QpHeaderEncoder for the given CharacterStream.
+   * @param Swift_CharacterStream $charStream to use for reading characters
+   */
+  public function __construct(Swift_CharacterStream $charStream)
+  {
+    parent::__construct($charStream);
+    if (empty(self::$_headerSafeMap))
+    {
+      foreach (array_merge(
+        range(0x61, 0x7A), range(0x41, 0x5A),
+        range(0x30, 0x39), array(0x20, 0x21, 0x2A, 0x2B, 0x2D, 0x2F)
+        ) as $byte)
+      {
+        self::$_headerSafeMap[$byte] = chr($byte);
+      }
+    }
+  }
+
+  /**
+   * Get the name of this encoding scheme.
+   * Returns the string 'Q'.
+   * @return string
+   */
+  public function getName()
+  {
+    return 'Q';
+  }
+
+  /**
+   * Takes an unencoded string and produces a Q encoded string from it.
+   * @param string $string to encode
+   * @param int $firstLineOffset, optional
+   * @param int $maxLineLength, optional, 0 indicates the default of 76 chars
+   * @return string
+   */
+  public function encodeString($string, $firstLineOffset = 0,
+    $maxLineLength = 0)
+  {
+    return str_replace(array(' ', '=20', "=\r\n"), array('_', '_', "\r\n"),
+      parent::encodeString($string, $firstLineOffset, $maxLineLength)
+      );
+  }
+
+  // -- Overridden points of extension
+
+  /**
+   * Encode the given byte array into a verbatim QP form.
+   * @param int[] $bytes
+   * @return string
+   * @access protected
+   */
+  protected function _encodeByteSequence(array $bytes, &$size)
+  {
+    $ret = '';
+    $size=0;
+    foreach ($bytes as $b)
+    {
+      if (isset(self::$_headerSafeMap[$b]))
+      {
+        $ret .= self::$_headerSafeMap[$b];
+        ++$size;
+      }
+      else
+      {
+        $ret .= self::$_qpMap[$b];
+        $size+=3;
+      }
+    }
+    return $ret;
+  }
+
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/HeaderFactory.php b/External/swiftmailer/lib/classes/Swift/Mime/HeaderFactory.php
new file mode 100755
index 0000000..83bb35a
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/HeaderFactory.php
@@ -0,0 +1,72 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/CharsetObserver.php';
+
+/**
+ * Creates MIME headers.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+interface Swift_Mime_HeaderFactory extends Swift_Mime_CharsetObserver
+{
+  
+  /**
+   * Create a new Mailbox Header with a list of $addresses.
+   * @param string $name
+   * @param array|string $addresses
+   * @return Swift_Mime_Header
+   */
+  public function createMailboxHeader($name, $addresses = null);
+  
+  /**
+   * Create a new Date header using $timestamp (UNIX time).
+   * @param string $name
+   * @param int $timestamp
+   * @return Swift_Mime_Header
+   */
+  public function createDateHeader($name, $timestamp = null);
+  
+  /**
+   * Create a new basic text header with $name and $value.
+   * @param string $name
+   * @param string $value
+   * @return Swift_Mime_Header
+   */
+  public function createTextHeader($name, $value = null);
+  
+  /**
+   * Create a new ParameterizedHeader with $name, $value and $params.
+   * @param string $name
+   * @param string $value
+   * @param array $params
+   * @return Swift_Mime_ParameterizedHeader
+   */
+  public function createParameterizedHeader($name, $value = null,
+    $params = array());
+  
+  /**
+   * Create a new ID header for Message-ID or Content-ID.
+   * @param string $name
+   * @param string|array $ids
+   * @return Swift_Mime_Header
+   */
+  public function createIdHeader($name, $ids = null);
+  
+  /**
+   * Create a new Path header with an address (path) in it.
+   * @param string $name
+   * @param string $path
+   * @return Swift_Mime_Header
+   */
+  public function createPathHeader($name, $path = null);
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/HeaderSet.php b/External/swiftmailer/lib/classes/Swift/Mime/HeaderSet.php
new file mode 100755
index 0000000..81e7a97
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/HeaderSet.php
@@ -0,0 +1,170 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/CharsetObserver.php';
+
+/**
+ * A collection of MIME headers.
+ * 
+ * @package Swift
+ * @subpackage Mime
+ * 
+ * @author Chris Corbyn
+ */
+interface Swift_Mime_HeaderSet extends Swift_Mime_CharsetObserver
+{
+  
+  /**
+   * Add a new Mailbox Header with a list of $addresses.
+   * 
+   * @param string $name
+   * @param array|string $addresses
+   */
+  public function addMailboxHeader($name, $addresses = null);
+  
+  /**
+   * Add a new Date header using $timestamp (UNIX time).
+   * 
+   * @param string $name
+   * @param int $timestamp
+   */
+  public function addDateHeader($name, $timestamp = null);
+  
+  /**
+   * Add a new basic text header with $name and $value.
+   * 
+   * @param string $name
+   * @param string $value
+   */
+  public function addTextHeader($name, $value = null);
+  
+  /**
+   * Add a new ParameterizedHeader with $name, $value and $params.
+   * 
+   * @param string $name
+   * @param string $value
+   * @param array $params
+   */
+  public function addParameterizedHeader($name, $value = null,
+    $params = array());
+  
+  /**
+   * Add a new ID header for Message-ID or Content-ID.
+   * 
+   * @param string $name
+   * @param string|array $ids
+   */
+  public function addIdHeader($name, $ids = null);
+  
+  /**
+   * Add a new Path header with an address (path) in it.
+   * 
+   * @param string $name
+   * @param string $path
+   */
+  public function addPathHeader($name, $path = null);
+  
+  /**
+   * Returns true if at least one header with the given $name exists.
+   * 
+   * If multiple headers match, the actual one may be specified by $index.
+   * 
+   * @param string $name
+   * @param int $index
+   * 
+   * @return boolean
+   */
+  public function has($name, $index = 0);
+  
+  /**
+   * Set a header in the HeaderSet.
+   * 
+   * The header may be a previously fetched header via {@link get()} or it may
+   * be one that has been created separately.
+   * 
+   * If $index is specified, the header will be inserted into the set at this
+   * offset.
+   * 
+   * @param Swift_Mime_Header $header
+   * @param int $index
+   */
+  public function set(Swift_Mime_Header $header, $index = 0);
+  
+  /**
+   * Get the header with the given $name.
+   * If multiple headers match, the actual one may be specified by $index.
+   * Returns NULL if none present.
+   * 
+   * @param string $name
+   * @param int $index
+   * 
+   * @return Swift_Mime_Header
+   */
+  public function get($name, $index = 0);
+  
+  /**
+   * Get all headers with the given $name.
+   * 
+   * @param string $name
+   * 
+   * @return array
+   */
+  public function getAll($name = null);
+  
+  /**
+   * Remove the header with the given $name if it's set.
+   * 
+   * If multiple headers match, the actual one may be specified by $index.
+   * 
+   * @param string $name
+   * @param int $index
+   */
+  public function remove($name, $index = 0);
+  
+  /**
+   * Remove all headers with the given $name.
+   * 
+   * @param string $name
+   */
+  public function removeAll($name);
+  
+  /**
+   * Create a new instance of this HeaderSet.
+   * 
+   * @return Swift_Mime_HeaderSet
+   */
+  public function newInstance();
+  
+  /**
+   * Define a list of Header names as an array in the correct order.
+   * 
+   * These Headers will be output in the given order where present.
+   * 
+   * @param array $sequence
+   */
+  public function defineOrdering(array $sequence);
+  
+  /**
+   * Set a list of header names which must always be displayed when set.
+   * 
+   * Usually headers without a field value won't be output unless set here.
+   * 
+   * @param array $names
+   */
+  public function setAlwaysDisplayed(array $names);
+  
+  /**
+   * Returns a string with a representation of all headers.
+   * 
+   * @return string
+   */
+  public function toString();
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/Headers/AbstractHeader.php b/External/swiftmailer/lib/classes/Swift/Mime/Headers/AbstractHeader.php
new file mode 100755
index 0000000..c3049c2
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/Headers/AbstractHeader.php
@@ -0,0 +1,596 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/Header.php';
+//@require 'Swift/Mime/HeaderEncoder.php';
+//@require 'Swift/RfcComplianceException.php';
+
+/**
+ * An abstract base MIME Header.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+abstract class Swift_Mime_Headers_AbstractHeader implements Swift_Mime_Header
+{
+  
+  /**
+   * Special characters used in the syntax which need to be escaped.
+   * @var string[]
+   * @access private
+   */
+  private $_specials = array();
+  
+  /**
+   * Tokens defined in RFC 2822 (and some related RFCs).
+   * @var string[]
+   * @access private
+   */
+  private $_grammar = array();
+  
+  /**
+   * The name of this Header.
+   * @var string
+   * @access private
+   */
+  private $_name;
+  
+  /**
+   * The Encoder used to encode this Header.
+   * @var Swift_Encoder
+   * @access private
+   */
+  private $_encoder;
+  
+  /**
+   * The maximum length of a line in the header.
+   * @var int
+   * @access private
+   */
+  private $_lineLength = 78;
+  
+  /**
+   * The language used in this Header.
+   * @var string
+   */
+  private $_lang;
+  
+  /**
+   * The character set of the text in this Header.
+   * @var string
+   * @access private
+   */
+  private $_charset = 'utf-8';
+  
+  /**
+   * The value of this Header, cached.
+   * @var string
+   * @access private
+   */
+  private $_cachedValue = null;
+  
+  /**
+   * Set the character set used in this Header.
+   * @param string $charset
+   */
+  public function setCharset($charset)
+  {
+    $this->clearCachedValueIf($charset != $this->_charset);
+    $this->_charset = $charset;
+    if (isset($this->_encoder))
+    {
+      $this->_encoder->charsetChanged($charset);
+    }
+  }
+  
+  /**
+   * Get the character set used in this Header.
+   * @return string
+   */
+  public function getCharset()
+  {
+    return $this->_charset;
+  }
+  
+  /**
+   * Set the language used in this Header.
+   * For example, for US English, 'en-us'.
+   * This can be unspecified.
+   * @param string $lang
+   */
+  public function setLanguage($lang)
+  {
+    $this->clearCachedValueIf($this->_lang != $lang);
+    $this->_lang = $lang;
+  }
+  
+  /**
+   * Get the language used in this Header.
+   * @return string
+   */
+  public function getLanguage()
+  {
+    return $this->_lang;
+  }
+  
+  /**
+   * Set the encoder used for encoding the header.
+   * @param Swift_Mime_HeaderEncoder $encoder
+   */
+  public function setEncoder(Swift_Mime_HeaderEncoder $encoder)
+  {
+    $this->_encoder = $encoder;
+    $this->setCachedValue(null);
+  }
+  
+  /**
+   * Get the encoder used for encoding this Header.
+   * @return Swift_Mime_HeaderEncoder
+   */
+  public function getEncoder()
+  {
+    return $this->_encoder;
+  }
+  
+  /**
+   * Get the name of this header (e.g. charset).
+   * @return string
+   */
+  public function getFieldName()
+  {
+    return $this->_name;
+  }
+  
+  /**
+   * Set the maximum length of lines in the header (excluding EOL).
+   * @param int $lineLength
+   */
+  public function setMaxLineLength($lineLength)
+  {
+    $this->clearCachedValueIf($this->_lineLength != $lineLength);
+    $this->_lineLength = $lineLength;
+  }
+  
+  /**
+   * Get the maximum permitted length of lines in this Header.
+   * @return int
+   */
+  public function getMaxLineLength()
+  {
+    return $this->_lineLength;
+  }
+  
+  /**
+   * Get this Header rendered as a RFC 2822 compliant string.
+   * @return string
+   * @throws Swift_RfcComplianceException
+   */
+  public function toString()
+  {
+    return $this->_tokensToString($this->toTokens());
+  }
+  
+  /**
+   * Returns a string representation of this object.
+   *
+   * @return string
+   *
+   * @see toString()
+   */
+  public function __toString()
+  {
+    return $this->toString();
+  }
+  
+  // -- Points of extension
+  
+  /**
+   * Set the name of this Header field.
+   * @param string $name
+   * @access protected
+   */
+  protected function setFieldName($name)
+  {
+    $this->_name = $name;
+  }
+  
+  /**
+   * Initialize some RFC 2822 (and friends) ABNF grammar definitions.
+   * @access protected
+   */
+  protected function initializeGrammar()
+  {
+    $this->_specials = array(
+      '(', ')', '<', '>', '[', ']',
+      ':', ';', '@', ',', '.', '"'
+      );
+    
+    /*** Refer to RFC 2822 for ABNF grammar ***/
+    
+    //All basic building blocks
+    $this->_grammar['NO-WS-CTL'] = '[\x01-\x08\x0B\x0C\x0E-\x19\x7F]';
+    $this->_grammar['WSP'] = '[ \t]';
+    $this->_grammar['CRLF'] = '(?:\r\n)';
+    $this->_grammar['FWS'] = '(?:(?:' . $this->_grammar['WSP'] . '*' .
+        $this->_grammar['CRLF'] . ')?' . $this->_grammar['WSP'] . ')';
+    $this->_grammar['text'] = '[\x00-\x08\x0B\x0C\x0E-\x7F]';
+    $this->_grammar['quoted-pair'] = '(?:\\\\' . $this->_grammar['text'] . ')';
+    $this->_grammar['ctext'] = '(?:' . $this->_grammar['NO-WS-CTL'] .
+        '|[\x21-\x27\x2A-\x5B\x5D-\x7E])';
+    //Uses recursive PCRE (?1) -- could be a weak point??
+    $this->_grammar['ccontent'] = '(?:' . $this->_grammar['ctext'] . '|' .
+        $this->_grammar['quoted-pair'] . '|(?1))';
+    $this->_grammar['comment'] = '(\((?:' . $this->_grammar['FWS'] . '|' .
+        $this->_grammar['ccontent']. ')*' . $this->_grammar['FWS'] . '?\))';
+    $this->_grammar['CFWS'] = '(?:(?:' . $this->_grammar['FWS'] . '?' .
+        $this->_grammar['comment'] . ')*(?:(?:' . $this->_grammar['FWS'] . '?' .
+        $this->_grammar['comment'] . ')|' . $this->_grammar['FWS'] . '))';
+    $this->_grammar['qtext'] = '(?:' . $this->_grammar['NO-WS-CTL'] .
+        '|[\x21\x23-\x5B\x5D-\x7E])';
+    $this->_grammar['qcontent'] = '(?:' . $this->_grammar['qtext'] . '|' .
+        $this->_grammar['quoted-pair'] . ')';
+    $this->_grammar['quoted-string'] = '(?:' . $this->_grammar['CFWS'] . '?"' .
+        '(' . $this->_grammar['FWS'] . '?' . $this->_grammar['qcontent'] . ')*' .
+        $this->_grammar['FWS'] . '?"' . $this->_grammar['CFWS'] . '?)';
+    $this->_grammar['atext'] = '[a-zA-Z0-9!#\$%&\'\*\+\-\/=\?\^_`\{\}\|~]';
+    $this->_grammar['atom'] = '(?:' . $this->_grammar['CFWS'] . '?' .
+        $this->_grammar['atext'] . '+' . $this->_grammar['CFWS'] . '?)';
+    $this->_grammar['dot-atom-text'] = '(?:' . $this->_grammar['atext'] . '+' .
+        '(\.' . $this->_grammar['atext'] . '+)*)';
+    $this->_grammar['dot-atom'] = '(?:' . $this->_grammar['CFWS'] . '?' .
+        $this->_grammar['dot-atom-text'] . '+' . $this->_grammar['CFWS'] . '?)';
+    $this->_grammar['word'] = '(?:' . $this->_grammar['atom'] . '|' .
+        $this->_grammar['quoted-string'] . ')';
+    $this->_grammar['phrase'] = '(?:' . $this->_grammar['word'] . '+?)';
+    $this->_grammar['no-fold-quote'] = '(?:"(?:' . $this->_grammar['qtext'] .
+        '|' . $this->_grammar['quoted-pair'] . ')*")';
+    $this->_grammar['dtext'] = '(?:' . $this->_grammar['NO-WS-CTL'] .
+        '|[\x21-\x5A\x5E-\x7E])';
+    $this->_grammar['no-fold-literal'] = '(?:\[(?:' . $this->_grammar['dtext'] .
+        '|' . $this->_grammar['quoted-pair'] . ')*\])';
+    
+    //Message IDs
+    $this->_grammar['id-left'] = '(?:' . $this->_grammar['dot-atom-text'] . '|' .
+        $this->_grammar['no-fold-quote'] . ')';
+    $this->_grammar['id-right'] = '(?:' . $this->_grammar['dot-atom-text'] . '|' .
+        $this->_grammar['no-fold-literal'] . ')';
+    
+    //Addresses, mailboxes and paths
+    $this->_grammar['local-part'] = '(?:' . $this->_grammar['dot-atom'] . '|' .
+        $this->_grammar['quoted-string'] . ')';
+    $this->_grammar['dcontent'] = '(?:' . $this->_grammar['dtext'] . '|' .
+        $this->_grammar['quoted-pair'] . ')';
+    $this->_grammar['domain-literal'] = '(?:' . $this->_grammar['CFWS'] . '?\[(' .
+        $this->_grammar['FWS'] . '?' . $this->_grammar['dcontent'] . ')*?' .
+        $this->_grammar['FWS'] . '?\]' . $this->_grammar['CFWS'] . '?)';
+    $this->_grammar['domain'] = '(?:' . $this->_grammar['dot-atom'] . '|' .
+        $this->_grammar['domain-literal'] . ')';
+    $this->_grammar['addr-spec'] = '(?:' . $this->_grammar['local-part'] . '@' .
+        $this->_grammar['domain'] . ')';
+  }
+  
+  /**
+   * Get the grammar defined for $name token.
+   * @param string $name execatly as written in the RFC
+   * @return string
+   */
+  protected function getGrammar($name)
+  {
+    if (array_key_exists($name, $this->_grammar))
+    {
+      return $this->_grammar[$name];
+    }
+    else
+    {
+      throw new Swift_RfcComplianceException(
+        "No such grammar '" . $name . "' defined."
+        );
+    }
+  }
+  
+  /**
+   * Escape special characters in a string (convert to quoted-pairs).
+   * @param string $token
+   * @param string[] $include additonal chars to escape
+   * @param string[] $exclude chars from escaping
+   * @return string
+   */
+  protected function escapeSpecials($token, $include = array(),
+    $exclude = array())
+  {
+    foreach (
+      array_merge(array('\\'), array_diff($this->_specials, $exclude), $include) as $char)
+    {
+      $token = str_replace($char, '\\' . $char, $token);
+    }
+    return $token;
+  }
+  
+  /**
+   * Produces a compliant, formatted RFC 2822 'phrase' based on the string given.
+   * @param Swift_Mime_Header $header
+   * @param string $string as displayed
+   * @param string $charset of the text
+   * @param Swift_Mime_HeaderEncoder $encoder
+   * @param boolean $shorten the first line to make remove for header name
+   * @return string
+   */
+  protected function createPhrase(Swift_Mime_Header $header, $string, $charset,
+    Swift_Mime_HeaderEncoder $encoder = null, $shorten = false)
+  {
+    //Treat token as exactly what was given
+    $phraseStr = $string;
+    //If it's not valid
+    if (!preg_match('/^' . $this->_grammar['phrase'] . '$/D', $phraseStr))
+    {
+      // .. but it is just ascii text, try escaping some characters
+      // and make it a quoted-string
+      if (preg_match('/^' . $this->_grammar['text'] . '*$/D', $phraseStr))
+      {
+        $phraseStr = $this->escapeSpecials(
+          $phraseStr, array('"'), $this->_specials
+          );
+        $phraseStr = '"' . $phraseStr . '"';
+      }
+      else // ... otherwise it needs encoding
+      {
+        //Determine space remaining on line if first line
+        if ($shorten)
+        {
+          $usedLength = strlen($header->getFieldName() . ': ');
+        }
+        else
+        {
+          $usedLength = 0;
+        }
+        $phraseStr = $this->encodeWords($header, $string, $usedLength);
+      }
+    }
+    
+    return $phraseStr;
+  }
+  
+  /**
+   * Encode needed word tokens within a string of input.
+   * @param string $input
+   * @param string $usedLength, optional
+   * @return string
+   */
+  protected function encodeWords(Swift_Mime_Header $header, $input,
+    $usedLength = -1)
+  {
+    $value = '';
+    
+    $tokens = $this->getEncodableWordTokens($input);
+    
+    foreach ($tokens as $token)
+    {
+      //See RFC 2822, Sect 2.2 (really 2.2 ??)
+      if ($this->tokenNeedsEncoding($token))
+      {
+        //Don't encode starting WSP
+        $firstChar = substr($token, 0, 1);
+        switch($firstChar)
+        {
+          case ' ':
+          case "\t":
+            $value .= $firstChar;
+            $token = substr($token, 1);
+        }
+        
+        if (-1 == $usedLength)
+        {
+          $usedLength = strlen($header->getFieldName() . ': ') + strlen($value);
+        }
+        $value .= $this->getTokenAsEncodedWord($token, $usedLength);
+        
+        $header->setMaxLineLength(76); //Forefully override
+      }
+      else
+      {
+        $value .= $token;
+      }
+    }
+    
+    return $value;
+  }
+  
+  /**
+   * Test if a token needs to be encoded or not.
+   * @param string $token
+   * @return boolean
+   */
+  protected function tokenNeedsEncoding($token)
+  {
+    return preg_match('~[\x00-\x08\x10-\x19\x7F-\xFF\r\n]~', $token);
+  }
+  
+  /**
+   * Splits a string into tokens in blocks of words which can be encoded quickly.
+   * @param string $string
+   * @return string[]
+   */
+  protected function getEncodableWordTokens($string)
+  {
+    $tokens = array();
+    
+    $encodedToken = '';
+    //Split at all whitespace boundaries
+    foreach (preg_split('~(?=[\t ])~', $string) as $token)
+    {
+      if ($this->tokenNeedsEncoding($token))
+      {
+        $encodedToken .= $token;
+      }
+      else
+      {
+        if (strlen($encodedToken) > 0)
+        {
+          $tokens[] = $encodedToken;
+          $encodedToken = '';
+        }
+        $tokens[] = $token;
+      }
+    }
+    if (strlen($encodedToken))
+    {
+      $tokens[] = $encodedToken;
+    }
+    
+    return $tokens;
+  }
+  
+  /**
+   * Get a token as an encoded word for safe insertion into headers.
+   * @param string $token to encode
+   * @param int $firstLineOffset, optional
+   * @return string
+   */
+  protected function getTokenAsEncodedWord($token, $firstLineOffset = 0)
+  {
+    //Adjust $firstLineOffset to account for space needed for syntax
+    $charsetDecl = $this->_charset;
+    if (isset($this->_lang))
+    {
+      $charsetDecl .= '*' . $this->_lang;
+    }
+    $encodingWrapperLength = strlen(
+      '=?' . $charsetDecl . '?' . $this->_encoder->getName() . '??='
+      );
+    
+    if ($firstLineOffset >= 75) //Does this logic need to be here?
+    {
+      $firstLineOffset = 0;
+    }
+    
+    $encodedTextLines = explode("\r\n",
+      $this->_encoder->encodeString(
+        $token, $firstLineOffset, 75 - $encodingWrapperLength
+        )
+      );
+    
+    foreach ($encodedTextLines as $lineNum => $line)
+    {
+      $encodedTextLines[$lineNum] = '=?' . $charsetDecl .
+        '?' . $this->_encoder->getName() .
+        '?' . $line . '?=';
+    }
+    
+    return implode("\r\n ", $encodedTextLines);
+  }
+  
+  /**
+   * Generates tokens from the given string which include CRLF as individual tokens.
+   * @param string $token
+   * @return string[]
+   * @access protected
+   */
+  protected function generateTokenLines($token)
+  {
+    return preg_split('~(\r\n)~', $token, -1, PREG_SPLIT_DELIM_CAPTURE);
+  }
+  
+  /**
+   * Set a value into the cache.
+   * @param string $value
+   * @access protected
+   */
+  protected function setCachedValue($value)
+  {
+    $this->_cachedValue = $value;
+  }
+  
+  /**
+   * Get the value in the cache.
+   * @return string
+   * @access protected
+   */
+  protected function getCachedValue()
+  {
+    return $this->_cachedValue;
+  }
+  
+  /**
+   * Clear the cached value if $condition is met.
+   * @param boolean $condition
+   * @access protected
+   */
+  protected function clearCachedValueIf($condition)
+  {
+    if ($condition)
+    {
+      $this->setCachedValue(null);
+    }
+  }
+  
+  // -- Private methods
+  
+  /**
+   * Generate a list of all tokens in the final header.
+   * @param string $string input, optional
+   * @return string[]
+   * @access private
+   */
+  protected function toTokens($string = null)
+  {
+    if (is_null($string))
+    {
+      $string = $this->getFieldBody();
+    }
+    
+    $tokens = array();
+    
+    //Generate atoms; split at all invisible boundaries followed by WSP
+    foreach (preg_split('~(?=[ \t])~', $string) as $token)
+    {
+      $tokens = array_merge($tokens, $this->generateTokenLines($token));
+    }
+    
+    return $tokens;
+  }
+  
+  /**
+   * Takes an array of tokens which appear in the header and turns them into
+   * an RFC 2822 compliant string, adding FWSP where needed.
+   * @param string[] $tokens
+   * @return string
+   * @access private
+   */
+  private function _tokensToString(array $tokens)
+  {
+    $lineCount = 0;
+    $headerLines = array();
+    $headerLines[] = $this->_name . ': ';
+    $currentLine =& $headerLines[$lineCount++];
+    
+    //Build all tokens back into compliant header
+    foreach ($tokens as $i => $token)
+    {
+      //Line longer than specified maximum or token was just a new line
+      if (("\r\n" == $token) ||
+        ($i > 0 && strlen($currentLine . $token) > $this->_lineLength)
+        && 0 < strlen($currentLine))
+      {
+        $headerLines[] = '';
+        $currentLine =& $headerLines[$lineCount++];
+      }
+      
+      //Append token to the line
+      if ("\r\n" != $token)
+      {
+        $currentLine .= $token;
+      }
+    }
+    
+    //Implode with FWS (RFC 2822, 2.2.3)
+    return implode("\r\n", $headerLines) . "\r\n";
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/Headers/DateHeader.php b/External/swiftmailer/lib/classes/Swift/Mime/Headers/DateHeader.php
new file mode 100755
index 0000000..598c0c5
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/Headers/DateHeader.php
@@ -0,0 +1,118 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/Headers/AbstractHeader.php';
+
+
+/**
+ * A Date MIME Header for Swift Mailer.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_Headers_DateHeader extends Swift_Mime_Headers_AbstractHeader
+{
+  
+  /**
+   * The UNIX timestamp value of this Header.
+   * @var int
+   * @access private
+   */
+  private $_timestamp;
+  
+  /**
+   * Creates a new DateHeader with $name and $timestamp.
+   * Example:
+   * <code>
+   * <?php
+   * $header = new Swift_Mime_Headers_DateHeader('Date', time());
+   * ?>
+   * </code>
+   * @param string $name of Header
+   */
+  public function __construct($name)
+  {
+    $this->setFieldName($name);
+  }
+  
+  /**
+   * Get the type of Header that this instance represents.
+   * @return int
+   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
+   * @see TYPE_DATE, TYPE_ID, TYPE_PATH
+   */
+  public function getFieldType()
+  {
+    return self::TYPE_DATE;
+  }
+  
+  /**
+   * Set the model for the field body.
+   * This method takes a UNIX timestamp.
+   * @param int $model
+   */
+  public function setFieldBodyModel($model)
+  {
+    $this->setTimestamp($model);
+  }
+  
+  /**
+   * Get the model for the field body.
+   * This method returns a UNIX timestamp.
+   * @return mixed
+   */
+  public function getFieldBodyModel()
+  {
+    return $this->getTimestamp();
+  }
+  
+  /**
+   * Get the UNIX timestamp of the Date in this Header.
+   * @return int
+   */
+  public function getTimestamp()
+  {
+    return $this->_timestamp;
+  }
+  
+  /**
+   * Set the UNIX timestamp of the Date in this Header.
+   * @param int $timestamp
+   */
+  public function setTimestamp($timestamp)
+  {
+    if (!is_null($timestamp))
+    {
+      $timestamp = (int) $timestamp;
+    }
+    $this->clearCachedValueIf($this->_timestamp != $timestamp);
+    $this->_timestamp = $timestamp;
+  }
+  
+  /**
+   * Get the string value of the body in this Header.
+   * This is not necessarily RFC 2822 compliant since folding white space will
+   * not be added at this stage (see {@link toString()} for that).
+   * @return string
+   * @see toString()
+   */
+  public function getFieldBody()
+  {
+    if (!$this->getCachedValue())
+    {
+      if (isset($this->_timestamp))
+      {
+        $this->setCachedValue(date('r', $this->_timestamp));
+      }
+    }
+    return $this->getCachedValue();
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/Headers/IdentificationHeader.php b/External/swiftmailer/lib/classes/Swift/Mime/Headers/IdentificationHeader.php
new file mode 100755
index 0000000..55ff737
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/Headers/IdentificationHeader.php
@@ -0,0 +1,161 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/Headers/AbstractHeader.php';
+//@require 'Swift/RfcComplianceException.php';
+
+/**
+ * An ID MIME Header for something like Message-ID or Content-ID.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_Headers_IdentificationHeader
+  extends Swift_Mime_Headers_AbstractHeader
+{
+  
+  /**
+   * The IDs used in the value of this Header.
+   * This may hold multiple IDs or just a single ID.
+   * @var string[]
+   * @access private
+   */
+  private $_ids = array();
+  
+  /**
+   * Creates a new IdentificationHeader with the given $name and $id.
+   * @param string $name
+   */
+  public function __construct($name)
+  {
+    $this->setFieldName($name);
+    $this->initializeGrammar();
+  }
+  
+  /**
+   * Get the type of Header that this instance represents.
+   * @return int
+   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
+   * @see TYPE_DATE, TYPE_ID, TYPE_PATH
+   */
+  public function getFieldType()
+  {
+    return self::TYPE_ID;
+  }
+  
+  /**
+   * Set the model for the field body.
+   * This method takes a string ID, or an array of IDs
+   * @param mixed $model
+   * @throws Swift_RfcComplianceException
+   */
+  public function setFieldBodyModel($model)
+  {
+    $this->setId($model);
+  }
+  
+  /**
+   * Get the model for the field body.
+   * This method returns an array of IDs
+   * @return array
+   */
+  public function getFieldBodyModel()
+  {
+    return $this->getIds();
+  }
+  
+  /**
+   * Set the ID used in the value of this header.
+   * @param string $id
+   * @throws Swift_RfcComplianceException
+   */
+  public function setId($id)
+  {
+    return $this->setIds(array($id));
+  }
+  
+  /**
+   * Get the ID used in the value of this Header.
+   * If multiple IDs are set only the first is returned.
+   * @return string
+   */
+  public function getId()
+  {
+    if (count($this->_ids) > 0)
+    {
+      return $this->_ids[0];
+    }
+  }
+  
+  /**
+   * Set a collection of IDs to use in the value of this Header.
+   * @param string[] $ids
+   * @throws Swift_RfcComplianceException
+   */
+  public function setIds(array $ids)
+  {
+    $actualIds = array();
+    
+    foreach ($ids as $k => $id)
+    {
+      if (preg_match(
+        '/^' . $this->getGrammar('id-left') . '@' .
+        $this->getGrammar('id-right') . '$/D',
+        $id
+        ))
+      {
+        $actualIds[] = $id;
+      }
+      else
+      {
+        throw new Swift_RfcComplianceException(
+          'Invalid ID given <' . $id . '>'
+          );
+      }
+    }
+    
+    $this->clearCachedValueIf($this->_ids != $actualIds);
+    $this->_ids = $actualIds;
+  }
+  
+  /**
+   * Get the list of IDs used in this Header.
+   * @return string[]
+   */
+  public function getIds()
+  {
+    return $this->_ids;
+  }
+  
+  /**
+   * Get the string value of the body in this Header.
+   * This is not necessarily RFC 2822 compliant since folding white space will
+   * not be added at this stage (see {@link toString()} for that).
+   * @return string
+   * @see toString()
+   * @throws Swift_RfcComplianceException
+   */
+  public function getFieldBody()
+  {
+    if (!$this->getCachedValue())
+    {
+      $angleAddrs = array();
+    
+      foreach ($this->_ids as $id)
+      {
+        $angleAddrs[] = '<' . $id . '>';
+      }
+    
+      $this->setCachedValue(implode(' ', $angleAddrs));
+    }
+    return $this->getCachedValue();
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/Headers/MailboxHeader.php b/External/swiftmailer/lib/classes/Swift/Mime/Headers/MailboxHeader.php
new file mode 100755
index 0000000..77d3bba
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/Headers/MailboxHeader.php
@@ -0,0 +1,316 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/Headers/AbstractHeader.php';
+//@require 'Swift/Mime/HeaderEncoder.php';
+
+/**
+ * A Mailbox Address MIME Header for something like From or Sender.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_Headers_MailboxHeader extends Swift_Mime_Headers_AbstractHeader
+{
+  
+  /**
+   * The mailboxes used in this Header.
+   * @var string[]
+   * @access private
+   */
+  private $_mailboxes = array();
+  
+  /**
+   * Creates a new MailboxHeader with $name.
+   * @param string $name of Header
+   * @param Swift_Mime_HeaderEncoder $encoder
+   */
+  public function __construct($name, Swift_Mime_HeaderEncoder $encoder)
+  {
+    $this->setFieldName($name);
+    $this->setEncoder($encoder);
+    $this->initializeGrammar();
+  }
+  
+  /**
+   * Get the type of Header that this instance represents.
+   * @return int
+   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
+   * @see TYPE_DATE, TYPE_ID, TYPE_PATH
+   */
+  public function getFieldType()
+  {
+    return self::TYPE_MAILBOX;
+  }
+  
+  /**
+   * Set the model for the field body.
+   * This method takes a string, or an array of addresses.
+   * @param mixed $model
+   * @throws Swift_RfcComplianceException
+   */
+  public function setFieldBodyModel($model)
+  {
+    $this->setNameAddresses($model);
+  }
+  
+  /**
+   * Get the model for the field body.
+   * This method returns an associative array like {@link getNameAddresses()}
+   * @return array
+   * @throws Swift_RfcComplianceException
+   */
+  public function getFieldBodyModel()
+  {
+    return $this->getNameAddresses();
+  }
+  
+  /**
+   * Set a list of mailboxes to be shown in this Header.
+   * The mailboxes can be a simple array of addresses, or an array of
+   * key=>value pairs where (email => personalName).
+   * Example:
+   * <code>
+   * <?php
+   * //Sets two mailboxes in the Header, one with a personal name
+   * $header->setNameAddresses(array(
+   *  'chris@swiftmailer.org' => 'Chris Corbyn',
+   *  'mark@swiftmailer.org' //No associated personal name
+   *  ));
+   * ?>
+   * </code>
+   * @param string|string[] $mailboxes
+   * @throws Swift_RfcComplianceException
+   * @see __construct()
+   * @see setAddresses()
+   * @see setValue()
+   */
+  public function setNameAddresses($mailboxes)
+  {
+    $this->_mailboxes = $this->normalizeMailboxes((array) $mailboxes);
+    $this->setCachedValue(null); //Clear any cached value
+  }
+  
+  /**
+   * Get the full mailbox list of this Header as an array of valid RFC 2822 strings.
+   * Example:
+   * <code>
+   * <?php
+   * $header = new Swift_Mime_Headers_MailboxHeader('From',
+   *  array('chris@swiftmailer.org' => 'Chris Corbyn',
+   *  'mark@swiftmailer.org' => 'Mark Corbyn')
+   *  );
+   * print_r($header->getNameAddressStrings());
+   * // array (
+   * // 0 => Chris Corbyn <chris@swiftmailer.org>,
+   * // 1 => Mark Corbyn <mark@swiftmailer.org>
+   * // )
+   * ?>
+   * </code>
+   * @return string[]
+   * @throws Swift_RfcComplianceException
+   * @see getNameAddresses()
+   * @see toString()
+   */
+  public function getNameAddressStrings()
+  {
+    return $this->_createNameAddressStrings($this->getNameAddresses());
+  }
+  
+  /**
+   * Get all mailboxes in this Header as key=>value pairs.
+   * The key is the address and the value is the name (or null if none set).
+   * Example:
+   * <code>
+   * <?php
+   * $header = new Swift_Mime_Headers_MailboxHeader('From',
+   *  array('chris@swiftmailer.org' => 'Chris Corbyn',
+   *  'mark@swiftmailer.org' => 'Mark Corbyn')
+   *  );
+   * print_r($header->getNameAddresses());
+   * // array (
+   * // chris@swiftmailer.org => Chris Corbyn,
+   * // mark@swiftmailer.org => Mark Corbyn
+   * // )
+   * ?>
+   * </code>
+   * @return string[]
+   * @see getAddresses()
+   * @see getNameAddressStrings()
+   */
+  public function getNameAddresses()
+  {
+    return $this->_mailboxes;
+  }
+  
+  /**
+   * Makes this Header represent a list of plain email addresses with no names.
+   * Example:
+   * <code>
+   * <?php
+   * //Sets three email addresses as the Header data
+   * $header->setAddresses(
+   *  array('one@domain.tld', 'two@domain.tld', 'three@domain.tld')
+   *  );
+   * ?>
+   * </code>
+   * @param string[] $addresses
+   * @throws Swift_RfcComplianceException
+   * @see setNameAddresses()
+   * @see setValue()
+   */
+  public function setAddresses($addresses)
+  {
+    return $this->setNameAddresses(array_values((array) $addresses));
+  }
+  
+  /**
+   * Get all email addresses in this Header.
+   * @return string[]
+   * @see getNameAddresses()
+   */
+  public function getAddresses()
+  {
+    return array_keys($this->_mailboxes);
+  }
+  
+  /**
+   * Remove one or more addresses from this Header.
+   * @param string|string[] $addresses
+   */
+  public function removeAddresses($addresses)
+  {
+    $this->setCachedValue(null);
+    foreach ((array) $addresses as $address)
+    {
+      unset($this->_mailboxes[$address]);
+    }
+  }
+  
+  /**
+   * Get the string value of the body in this Header.
+   * This is not necessarily RFC 2822 compliant since folding white space will
+   * not be added at this stage (see {@link toString()} for that).
+   * @return string
+   * @throws Swift_RfcComplianceException
+   * @see toString()
+   */
+  public function getFieldBody()
+  {
+    //Compute the string value of the header only if needed
+    if (is_null($this->getCachedValue()))
+    {
+      $this->setCachedValue($this->createMailboxListString($this->_mailboxes));
+    }
+    return $this->getCachedValue();
+  }
+  
+  // -- Points of extension
+  
+  /**
+   * Normalizes a user-input list of mailboxes into consistent key=>value pairs.
+   * @param string[] $mailboxes
+   * @return string[]
+   * @access protected
+   */
+  protected function normalizeMailboxes(array $mailboxes)
+  {
+    $actualMailboxes = array();
+    
+    foreach ($mailboxes as $key => $value)
+    {
+      if (is_string($key)) //key is email addr
+      {
+        $address = $key;
+        $name = $value;
+      }
+      else
+      {
+        $address = $value;
+        $name = null;
+      }
+      $this->_assertValidAddress($address);
+      $actualMailboxes[$address] = $name;
+    }
+    
+    return $actualMailboxes;
+  }
+  
+  /**
+   * Produces a compliant, formatted display-name based on the string given.
+   * @param string $displayName as displayed
+   * @param boolean $shorten the first line to make remove for header name
+   * @return string
+   * @access protected
+   */
+  protected function createDisplayNameString($displayName, $shorten = false)
+  {
+    return $this->createPhrase($this, $displayName,
+      $this->getCharset(), $this->getEncoder(), $shorten
+      );
+  }
+  
+  /**
+   * Creates a string form of all the mailboxes in the passed array.
+   * @param string[] $mailboxes
+   * @return string
+   * @throws Swift_RfcComplianceException
+   * @access protected
+   */
+  protected function createMailboxListString(array $mailboxes)
+  {
+    return implode(', ', $this->_createNameAddressStrings($mailboxes));
+  }
+  
+  // -- Private methods
+  
+  /**
+   * Return an array of strings conforming the the name-addr spec of RFC 2822.
+   * @param string[] $mailboxes
+   * @return string[]
+   * @access private
+   */
+  private function _createNameAddressStrings(array $mailboxes)
+  {
+    $strings = array();
+    
+    foreach ($mailboxes as $email => $name)
+    {
+      $mailboxStr = $email;
+      if (!is_null($name))
+      {
+        $nameStr = $this->createDisplayNameString($name, empty($strings));
+        $mailboxStr = $nameStr . ' <' . $mailboxStr . '>';
+      }
+      $strings[] = $mailboxStr;
+    }
+    
+    return $strings;
+  }
+  
+  /**
+   * Throws an Exception if the address passed does not comply with RFC 2822.
+   * @param string $address
+   * @throws Exception If invalid.
+   * @access protected
+   */
+  private function _assertValidAddress($address)
+  {
+    if (!preg_match('/^' . $this->getGrammar('addr-spec') . '$/D',
+      $address))
+    {
+      throw new Swift_RfcComplianceException(
+        'Address in mailbox given [' . $address .
+        '] does not comply with RFC 2822, 3.6.2.'
+        );
+    }
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/Headers/ParameterizedHeader.php b/External/swiftmailer/lib/classes/Swift/Mime/Headers/ParameterizedHeader.php
new file mode 100755
index 0000000..974b44e
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/Headers/ParameterizedHeader.php
@@ -0,0 +1,274 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/Headers/UnstructuredHeader.php';
+//@require 'Swift/Mime/HeaderEncoder.php';
+//@require 'Swift/Mime/ParameterizedHeader.php';
+//@require 'Swift/Encoder.php';
+
+/**
+ * An abstract base MIME Header.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_Headers_ParameterizedHeader
+  extends Swift_Mime_Headers_UnstructuredHeader
+  implements Swift_Mime_ParameterizedHeader
+{
+  
+  /**
+   * The Encoder used to encode the parameters.
+   * @var Swift_Encoder
+   * @access private
+   */
+  private $_paramEncoder;
+  
+  /**
+   * The parameters as an associative array.
+   * @var string[]
+   * @access private
+   */
+  private $_params = array();
+  
+  /**
+   * RFC 2231's definition of a token.
+   * @var string
+   * @access private
+   */
+  private $_tokenRe;
+  
+  /**
+   * Creates a new ParameterizedHeader with $name.
+   * @param string $name
+   * @param Swift_Mime_HeaderEncoder $encoder
+   * @param Swift_Encoder $paramEncoder, optional
+   */ 
+  public function __construct($name, Swift_Mime_HeaderEncoder $encoder,
+    Swift_Encoder $paramEncoder = null)
+  {
+    $this->setFieldName($name);
+    $this->setEncoder($encoder);
+    $this->_paramEncoder = $paramEncoder;
+    $this->initializeGrammar();
+    $this->_tokenRe = '(?:[\x21\x23-\x27\x2A\x2B\x2D\x2E\x30-\x39\x41-\x5A\x5E-\x7E]+)';
+  }
+  
+  /**
+   * Get the type of Header that this instance represents.
+   * @return int
+   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
+   * @see TYPE_DATE, TYPE_ID, TYPE_PATH
+   */
+  public function getFieldType()
+  {
+    return self::TYPE_PARAMETERIZED;
+  }
+  
+  /**
+   * Set the character set used in this Header.
+   * @param string $charset
+   */
+  public function setCharset($charset)
+  {
+    parent::setCharset($charset);
+    if (isset($this->_paramEncoder))
+    {
+      $this->_paramEncoder->charsetChanged($charset);
+    }
+  }
+  
+  /**
+   * Set the value of $parameter.
+   * @param string $parameter
+   * @param string $value
+   */
+  public function setParameter($parameter, $value)
+  {
+    $this->setParameters(array_merge($this->getParameters(), array($parameter => $value)));
+  }
+  
+  /**
+   * Get the value of $parameter.
+   * @return string
+   */
+  public function getParameter($parameter)
+  {
+    $params = $this->getParameters();
+    return array_key_exists($parameter, $params)
+      ? $params[$parameter]
+      : null;
+  }
+  
+  /**
+   * Set an associative array of parameter names mapped to values.
+   * @param string[]
+   */
+  public function setParameters(array $parameters)
+  {
+    $this->clearCachedValueIf($this->_params != $parameters);
+    $this->_params = $parameters;
+  }
+  
+  /**
+   * Returns an associative array of parameter names mapped to values.
+   * @return string[]
+   */
+  public function getParameters()
+  {
+    return $this->_params;
+  }
+  
+  /**
+   * Get the value of this header prepared for rendering.
+   * @return string
+   */
+  public function getFieldBody() //TODO: Check caching here
+  {
+    $body = parent::getFieldBody();
+    foreach ($this->_params as $name => $value)
+    {
+      if (!is_null($value))
+      {
+        //Add the parameter
+        $body .= '; ' . $this->_createParameter($name, $value);
+      }
+    }
+    return $body;
+  }
+  
+  // -- Protected methods
+  
+  /**
+   * Generate a list of all tokens in the final header.
+   * This doesn't need to be overridden in theory, but it is for implementation
+   * reasons to prevent potential breakage of attributes.
+   * @return string[]
+   * @access protected
+   */
+  protected function toTokens($string = null)
+  {
+    $tokens = parent::toTokens(parent::getFieldBody());
+    
+    //Try creating any parameters
+    foreach ($this->_params as $name => $value)
+    {
+      if (!is_null($value))
+      {
+        //Add the semi-colon separator
+        $tokens[count($tokens)-1] .= ';';
+        $tokens = array_merge($tokens, $this->generateTokenLines(
+          ' ' . $this->_createParameter($name, $value)
+          ));
+      }
+    }
+    
+    return $tokens;
+  }
+  
+  // -- Private methods
+  
+  /**
+   * Render a RFC 2047 compliant header parameter from the $name and $value.
+   * @param string $name
+   * @param string $value
+   * @return string
+   * @access private
+   */
+  private function _createParameter($name, $value)
+  {
+    $origValue = $value;
+    
+    $encoded = false;
+    //Allow room for parameter name, indices, "=" and DQUOTEs
+    $maxValueLength = $this->getMaxLineLength() - strlen($name . '=*N"";') - 1;
+    $firstLineOffset = 0;
+    
+    //If it's not already a valid parameter value...
+    if (!preg_match('/^' . $this->_tokenRe . '$/D', $value))
+    {
+      //TODO: text, or something else??
+      //... and it's not ascii
+      if (!preg_match('/^' . $this->getGrammar('text') . '*$/D', $value))
+      {
+        $encoded = true;
+        //Allow space for the indices, charset and language
+        $maxValueLength = $this->getMaxLineLength() - strlen($name . '*N*="";') - 1;
+        $firstLineOffset = strlen(
+          $this->getCharset() . "'" . $this->getLanguage() . "'"
+          );
+      }
+    }
+    
+    //Encode if we need to
+    if ($encoded || strlen($value) > $maxValueLength)
+    {
+      if (isset($this->_paramEncoder))
+      {
+        $value = $this->_paramEncoder->encodeString(
+          $origValue, $firstLineOffset, $maxValueLength
+          );
+      }
+      else //We have to go against RFC 2183/2231 in some areas for interoperability
+      {
+        $value = $this->getTokenAsEncodedWord($origValue);
+        $encoded = false;
+      }
+    }
+    
+    $valueLines = isset($this->_paramEncoder) ? explode("\r\n", $value) : array($value);
+    
+    //Need to add indices
+    if (count($valueLines) > 1)
+    {
+      $paramLines = array();
+      foreach ($valueLines as $i => $line)
+      {
+        $paramLines[] = $name . '*' . $i .
+          $this->_getEndOfParameterValue($line, $encoded, $i == 0);
+      }
+      return implode(";\r\n ", $paramLines);
+    }
+    else
+    {
+      return $name . $this->_getEndOfParameterValue(
+        $valueLines[0], $encoded, true
+        );
+    }
+  }
+  
+  /**
+   * Returns the parameter value from the "=" and beyond.
+   * @param string $value to append
+   * @param boolean $encoded
+   * @param boolean $firstLine
+   * @return string
+   * @access private
+   */
+  private function _getEndOfParameterValue($value, $encoded = false, $firstLine = false)
+  {
+    if (!preg_match('/^' . $this->_tokenRe . '$/D', $value))
+    {
+      $value = '"' . $value . '"';
+    }
+    $prepend = '=';
+    if ($encoded)
+    {
+      $prepend = '*=';
+      if ($firstLine)
+      {
+        $prepend = '*=' . $this->getCharset() . "'" . $this->getLanguage() .
+          "'";
+      }
+    }
+    return $prepend . $value;
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/Headers/PathHeader.php b/External/swiftmailer/lib/classes/Swift/Mime/Headers/PathHeader.php
new file mode 100755
index 0000000..0a8a100
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/Headers/PathHeader.php
@@ -0,0 +1,126 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/Headers/AbstractHeader.php';
+//@require 'Swift/RfcComplianceException.php';
+
+/**
+ * A Path Header in Swift Mailer, such a Return-Path.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_Headers_PathHeader extends Swift_Mime_Headers_AbstractHeader
+{
+  
+  /**
+   * The address in this Header (if specified).
+   * @var string
+   * @access private
+   */
+  private $_address;
+  
+  /**
+   * Creates a new PathHeader with the given $name.
+   * @param string $name
+   */
+  public function __construct($name)
+  {
+    $this->setFieldName($name);
+    $this->initializeGrammar();
+  }
+  
+  /**
+   * Get the type of Header that this instance represents.
+   * @return int
+   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
+   * @see TYPE_DATE, TYPE_ID, TYPE_PATH
+   */
+  public function getFieldType()
+  {
+    return self::TYPE_PATH;
+  }
+  
+  /**
+   * Set the model for the field body.
+   * This method takes a string for an address.
+   * @param string $model
+   * @throws Swift_RfcComplianceException
+   */
+  public function setFieldBodyModel($model)
+  {
+    $this->setAddress($model);
+  }
+  
+  /**
+   * Get the model for the field body.
+   * This method returns a string email address.
+   * @return mixed
+   */
+  public function getFieldBodyModel()
+  {
+    return $this->getAddress();
+  }
+  
+  /**
+   * Set the Address which should appear in this Header.
+   * @param string $address
+   * @throws Swift_RfcComplianceException
+   */
+  public function setAddress($address)
+  {
+    if (is_null($address))
+    {
+      $this->_address = null;
+    }
+    elseif ('' == $address
+      || preg_match('/^' . $this->getGrammar('addr-spec') . '$/D', $address))
+    {
+      $this->_address = $address;
+    }
+    else
+    {
+      throw new Swift_RfcComplianceException(
+        'Address set in PathHeader does not comply with addr-spec of RFC 2822.'
+        );
+    }
+    $this->setCachedValue(null);
+  }
+  
+  /**
+   * Get the address which is used in this Header (if any).
+   * Null is returned if no address is set.
+   * @return string
+   */
+  public function getAddress()
+  {
+    return $this->_address;
+  }
+  
+  /**
+   * Get the string value of the body in this Header.
+   * This is not necessarily RFC 2822 compliant since folding white space will
+   * not be added at this stage (see {@link toString()} for that).
+   * @return string
+   * @see toString()
+   */
+  public function getFieldBody()
+  {
+    if (!$this->getCachedValue())
+    {
+      if (isset($this->_address))
+      {
+        $this->setCachedValue('<' . $this->_address . '>');
+      }
+    }
+    return $this->getCachedValue();
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/Headers/UnstructuredHeader.php b/External/swiftmailer/lib/classes/Swift/Mime/Headers/UnstructuredHeader.php
new file mode 100755
index 0000000..fdcc21e
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/Headers/UnstructuredHeader.php
@@ -0,0 +1,108 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/Headers/AbstractHeader.php';
+//@require 'Swift/Mime/HeaderEncoder.php';
+
+/**
+ * A Simple MIME Header.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_Headers_UnstructuredHeader
+  extends Swift_Mime_Headers_AbstractHeader
+{
+  
+  /**
+   * The value of this Header.
+   * @var string
+   * @access private
+   */
+  private $_value;
+  
+  /**
+   * Creates a new SimpleHeader with $name.
+   * @param string $name
+   * @param Swift_Mime_HeaderEncoder $encoder
+   */
+  public function __construct($name, Swift_Mime_HeaderEncoder $encoder)
+  {
+    $this->setFieldName($name);
+    $this->setEncoder($encoder);
+  }
+  /**
+   * Get the type of Header that this instance represents.
+   * @return int
+   * @see TYPE_TEXT, TYPE_PARAMETERIZED, TYPE_MAILBOX
+   * @see TYPE_DATE, TYPE_ID, TYPE_PATH
+   */
+  public function getFieldType()
+  {
+    return self::TYPE_TEXT;
+  }
+  
+  /**
+   * Set the model for the field body.
+   * This method takes a string for the field value.
+   * @param string $model
+   */
+  public function setFieldBodyModel($model)
+  {
+    $this->setValue($model);
+  }
+  
+  /**
+   * Get the model for the field body.
+   * This method returns a string.
+   * @return string
+   */
+  public function getFieldBodyModel()
+  {
+    return $this->getValue();
+  }
+  
+  /**
+   * Get the (unencoded) value of this header.
+   * @return string
+   */
+  public function getValue()
+  {
+    return $this->_value;
+  }
+  
+  /**
+   * Set the (unencoded) value of this header.
+   * @param string $value
+   */
+  public function setValue($value)
+  {
+    $this->clearCachedValueIf($this->_value != $value);
+    $this->_value = $value;
+  }
+  
+  /**
+   * Get the value of this header prepared for rendering.
+   * @return string
+   */
+  public function getFieldBody()
+  {
+    if (!$this->getCachedValue())
+    {
+      $this->setCachedValue(
+        str_replace('\\', '\\\\', $this->encodeWords(
+          $this, $this->_value, -1, $this->getCharset(), $this->getEncoder()
+          ))
+        );
+    }
+    return $this->getCachedValue();
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/Message.php b/External/swiftmailer/lib/classes/Swift/Mime/Message.php
new file mode 100755
index 0000000..0496c08
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/Message.php
@@ -0,0 +1,230 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/MimeEntity.php';
+
+/**
+ * A Message (RFC 2822) object.
+ * 
+ * @package Swift
+ * @subpackage Mime
+ * 
+ * @author Chris Corbyn
+ */
+interface Swift_Mime_Message extends Swift_Mime_MimeEntity
+{
+  
+  /**
+   * Generates a valid Message-ID and switches to it.
+   * 
+   * @return string
+   */
+  public function generateId();
+  
+  /**
+   * Set the subject of the message.
+   * 
+   * @param string $subject
+   */
+  public function setSubject($subject);
+  
+  /**
+   * Get the subject of the message.
+   * 
+   * @return string
+   */
+  public function getSubject();
+  
+  /**
+   * Set the origination date of the message as a UNIX timestamp.
+   * 
+   * @param int $date
+   */
+  public function setDate($date);
+  
+  /**
+   * Get the origination date of the message as a UNIX timestamp.
+   * 
+   * @return int
+   */
+  public function getDate();
+  
+  /**
+   * Set the return-path (bounce-detect) address.
+   * 
+   * @param string $address
+   */
+  public function setReturnPath($address);
+  
+  /**
+   * Get the return-path (bounce-detect) address.
+   * 
+   * @return string
+   */
+  public function getReturnPath();
+  
+  /**
+   * Set the sender of this message.
+   * 
+   * If multiple addresses are present in the From field, this SHOULD be set.
+   * 
+   * According to RFC 2822 it is a requirement when there are multiple From
+   * addresses, but Swift itself does not require it directly.
+   * 
+   * An associative array (with one element!) can be used to provide a display-
+   * name: i.e. array('email@address' => 'Real Name').
+   * 
+   * If the second parameter is provided and the first is a string, then $name
+   * is associated with the address.
+   * 
+   * @param mixed $address
+   * @param string $name optional
+   */
+  public function setSender($address, $name = null);
+  
+  /**
+   * Get the sender address for this message.
+   * 
+   * This has a higher significance than the From address.
+   * 
+   * @return string
+   */
+  public function getSender();
+  
+  /**
+   * Set the From address of this message.
+   * 
+   * It is permissible for multiple From addresses to be set using an array.
+   * 
+   * If multiple From addresses are used, you SHOULD set the Sender address and
+   * according to RFC 2822, MUST set the sender address.
+   * 
+   * An array can be used if display names are to be provided: i.e.
+   * array('email@address.com' => 'Real Name').
+   * 
+   * If the second parameter is provided and the first is a string, then $name
+   * is associated with the address.
+   *
+   * @param mixed $addresses
+   * @param string $name optional
+   */
+  public function setFrom($addresses, $name = null);
+  
+  /**
+   * Get the From address(es) of this message.
+   * 
+   * This method always returns an associative array where the keys are the
+   * addresses.
+   * 
+   * @return string[]
+   */
+  public function getFrom();
+  
+  /**
+   * Set the Reply-To address(es).
+   * 
+   * Any replies from the receiver will be sent to this address.
+   * 
+   * It is permissible for multiple reply-to addresses to be set using an array.
+   * 
+   * This method has the same synopsis as {@link setFrom()} and {@link setTo()}.
+   * 
+   * If the second parameter is provided and the first is a string, then $name
+   * is associated with the address.
+   * 
+   * @param mixed $addresses
+   * @param string $name optional
+   */
+  public function setReplyTo($addresses, $name = null);
+  
+  /**
+   * Get the Reply-To addresses for this message.
+   * 
+   * This method always returns an associative array where the keys provide the
+   * email addresses.
+   * 
+   * @return string[]
+   */
+  public function getReplyTo();
+  
+  /**
+   * Set the To address(es).
+   * 
+   * Recipients set in this field will receive a copy of this message.
+   * 
+   * This method has the same synopsis as {@link setFrom()} and {@link setCc()}.
+   * 
+   * If the second parameter is provided and the first is a string, then $name
+   * is associated with the address.
+   * 
+   * @param mixed $addresses
+   * @param string $name optional
+   */
+  public function setTo($addresses, $name = null);
+  
+  /**
+   * Get the To addresses for this message.
+   * 
+   * This method always returns an associative array, whereby the keys provide
+   * the actual email addresses.
+   * 
+   * @return string[]
+   */
+  public function getTo();
+  
+  /**
+   * Set the Cc address(es).
+   * 
+   * Recipients set in this field will receive a 'carbon-copy' of this message.
+   * 
+   * This method has the same synopsis as {@link setFrom()} and {@link setTo()}.
+   * 
+   * @param mixed $addresses
+   * @param string $name optional
+   */
+  public function setCc($addresses, $name = null);
+  
+  /**
+   * Get the Cc addresses for this message.
+   * 
+   * This method always returns an associative array, whereby the keys provide
+   * the actual email addresses.
+   * 
+   * @return string[]
+   */
+  public function getCc();
+  
+  /**
+   * Set the Bcc address(es).
+   * 
+   * Recipients set in this field will receive a 'blind-carbon-copy' of this
+   * message.
+   * 
+   * In other words, they will get the message, but any other recipients of the
+   * message will have no such knowledge of their receipt of it.
+   * 
+   * This method has the same synopsis as {@link setFrom()} and {@link setTo()}.
+   * 
+   * @param mixed $addresses
+   * @param string $name optional
+   */
+  public function setBcc($addresses, $name = null);
+  
+  /**
+   * Get the Bcc addresses for this message.
+   * 
+   * This method always returns an associative array, whereby the keys provide
+   * the actual email addresses.
+   * 
+   * @return string[]
+   */
+  public function getBcc();
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/MimeEntity.php b/External/swiftmailer/lib/classes/Swift/Mime/MimeEntity.php
new file mode 100755
index 0000000..2b08009
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/MimeEntity.php
@@ -0,0 +1,108 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/InputByteStream.php';
+//@require 'Swift/Mime/EncodingObserver.php';
+//@require 'Swift/Mime/CharsetObserver.php';
+
+/**
+ * A MIME entity, such as an attachment.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+interface Swift_Mime_MimeEntity
+  extends Swift_Mime_CharsetObserver, Swift_Mime_EncodingObserver
+{
+  
+  /** Main message document; there can only be one of these */
+  const LEVEL_TOP = 16;
+  
+  /** An entity which nests with the same precedence as an attachment */
+  const LEVEL_MIXED = 256;
+  
+  /** An entity which nests with the same precedence as a mime part */
+  const LEVEL_ALTERNATIVE = 4096;
+  
+  /** An entity which nests with the same precedence as embedded content */
+  const LEVEL_RELATED = 65536;
+  
+  /**
+   * Get the level at which this entity shall be nested in final document.
+   * The lower the value, the more outermost the entity will be nested.
+   * @return int
+   * @see LEVEL_TOP, LEVEL_MIXED, LEVEL_RELATED, LEVEL_ALTERNATIVE
+   */
+  public function getNestingLevel();
+  
+  /**
+   * Get the qualified content-type of this mime entity.
+   * @return string
+   */
+  public function getContentType();
+  
+  /**
+   * Returns a unique ID for this entity.
+   * For most entities this will likely be the Content-ID, though it has
+   * no explicit semantic meaning and can be considered an identifier for
+   * programming logic purposes.
+   * If a Content-ID header is present, this value SHOULD match the value of
+   * the header.
+   * @return string
+   */
+  public function getId();
+  
+  /**
+   * Get all children nested inside this entity.
+   * These are not just the immediate children, but all children.
+   * @return Swift_Mime_MimeEntity[]
+   */
+  public function getChildren();
+  
+  /**
+   * Set all children nested inside this entity.
+   * This includes grandchildren.
+   * @param Swift_Mime_MimeEntity[] $children
+   */
+  public function setChildren(array $children);
+  
+  /**
+   * Get the collection of Headers in this Mime entity.
+   * @return Swift_Mime_Header[]
+   */
+  public function getHeaders();
+  
+  /**
+   * Get the body content of this entity as a string.
+   * Returns NULL if no body has been set.
+   * @return string
+   */
+  public function getBody();
+  
+  /**
+   * Set the body content of this entity as a string.
+   * @param string $body
+   * @param string $contentType optional
+   */
+  public function setBody($body, $contentType = null);
+  
+  /**
+   * Get this entire entity in its string form.
+   * @return string
+   */
+  public function toString();
+  
+  /**
+   * Get this entire entity as a ByteStream.
+   * @param Swift_InputByteStream $is to write to
+   */
+  public function toByteStream(Swift_InputByteStream $is);
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/MimePart.php b/External/swiftmailer/lib/classes/Swift/Mime/MimePart.php
new file mode 100755
index 0000000..78c6fe0
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/MimePart.php
@@ -0,0 +1,196 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/SimpleMimeEntity.php';
+//@require 'Swift/Mime/ContentEncoder.php';
+//@require 'Swift/Mime/HeaderSet.php';
+//@require 'Swift/KeyCache.php';
+
+/**
+ * A MIME part, in a multipart message.
+ * 
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_MimePart extends Swift_Mime_SimpleMimeEntity
+{
+  
+  /** The format parameter last specified by the user */
+  protected $_userFormat;
+  
+  /** The charset last specified by the user */
+  protected $_userCharset;
+  
+  /** The delsp parameter last specified by the user */
+  protected $_userDelSp;
+  
+  /** The nesting level of this MimePart */
+  private $_nestingLevel = self::LEVEL_ALTERNATIVE;
+  
+  /**
+   * Create a new MimePart with $headers, $encoder and $cache.
+   * 
+   * @param Swift_Mime_HeaderSet $headers
+   * @param Swift_Mime_ContentEncoder $encoder
+   * @param Swift_KeyCache $cache
+   * @param string $charset
+   */
+  public function __construct(Swift_Mime_HeaderSet $headers,
+    Swift_Mime_ContentEncoder $encoder, Swift_KeyCache $cache, $charset = null)
+  {
+    parent::__construct($headers, $encoder, $cache);
+    $this->setContentType('text/plain');
+    if (!is_null($charset))
+    {
+      $this->setCharset($charset);
+    }
+  }
+  
+  /**
+   * Set the body of this entity, either as a string, or as an instance of
+   * {@link Swift_OutputByteStream}.
+   * 
+   * @param mixed $body
+   * @param string $contentType optional
+   * @param string $charset optional
+   */
+  public function setBody($body, $contentType = null, $charset = null)
+  {
+    parent::setBody($body, $contentType);
+    if (isset($charset))
+    {
+      $this->setCharset($charset);
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the character set of this entity.
+   * 
+   * @return string
+   */
+  public function getCharset()
+  {
+    return $this->_getHeaderParameter('Content-Type', 'charset');
+  }
+  
+  /**
+   * Set the character set of this entity.
+   * 
+   * @param string $charset
+   */
+  public function setCharset($charset)
+  {
+    $this->_setHeaderParameter('Content-Type', 'charset', $charset);
+    if ($charset !== $this->_userCharset)
+    {
+      $this->_clearCache();
+    }
+    $this->_userCharset = $charset;
+    parent::charsetChanged($charset);
+    return $this;
+  }
+  
+  /**
+   * Get the format of this entity (i.e. flowed or fixed).
+   * 
+   * @return string
+   */
+  public function getFormat()
+  {
+    return $this->_getHeaderParameter('Content-Type', 'format');
+  }
+  
+  /**
+   * Set the format of this entity (flowed or fixed).
+   * 
+   * @param string $format
+   */
+  public function setFormat($format)
+  {
+    $this->_setHeaderParameter('Content-Type', 'format', $format);
+    $this->_userFormat = $format;
+    return $this;
+  }
+  
+  /**
+   * Test if delsp is being used for this entity.
+   * 
+   * @return boolean
+   */
+  public function getDelSp()
+  {
+    return ($this->_getHeaderParameter('Content-Type', 'delsp') == 'yes')
+      ? true
+      : false;
+  }
+  
+  /**
+   * Turn delsp on or off for this entity.
+   * 
+   * @param boolean $delsp
+   */
+  public function setDelSp($delsp = true)
+  {
+    $this->_setHeaderParameter('Content-Type', 'delsp', $delsp ? 'yes' : null);
+    $this->_userDelSp = $delsp;
+    return $this;
+  }
+  
+  /**
+   * Get the nesting level of this entity.
+   * 
+   * @return int
+   * @see LEVEL_TOP, LEVEL_ALTERNATIVE, LEVEL_MIXED, LEVEL_RELATED
+   */
+  public function getNestingLevel()
+  {
+    return $this->_nestingLevel;
+  }
+  
+  /**
+   * Receive notification that the charset has changed on this document, or a
+   * parent document.
+   * 
+   * @param string $charset
+   */
+  public function charsetChanged($charset)
+  {
+    $this->setCharset($charset);
+  }
+  
+  // -- Protected methods
+  
+  /** Fix the content-type and encoding of this entity */
+  protected function _fixHeaders()
+  {
+    parent::_fixHeaders();
+    if (count($this->getChildren()))
+    {
+      $this->_setHeaderParameter('Content-Type', 'charset', null);
+      $this->_setHeaderParameter('Content-Type', 'format', null);
+      $this->_setHeaderParameter('Content-Type', 'delsp', null);
+    }
+    else
+    {
+      $this->setCharset($this->_userCharset);
+      $this->setFormat($this->_userFormat);
+      $this->setDelSp($this->_userDelSp);
+    }
+  }
+  
+  /** Set the nesting level of this entity */
+  protected function _setNestingLevel($level)
+  {
+    $this->_nestingLevel = $level;
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/ParameterizedHeader.php b/External/swiftmailer/lib/classes/Swift/Mime/ParameterizedHeader.php
new file mode 100755
index 0000000..da65ca9
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/ParameterizedHeader.php
@@ -0,0 +1,35 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/Header.php';
+
+/**
+ * A MIME Header with parameters.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+interface Swift_Mime_ParameterizedHeader extends Swift_Mime_Header
+{
+  
+  /**
+   * Set the value of $parameter.
+   * @param string $parameter
+   * @param string $value
+   */
+  public function setParameter($parameter, $value);
+  
+  /**
+   * Get the value of $parameter.
+   * @return string
+   */
+  public function getParameter($parameter);
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/SimpleHeaderFactory.php b/External/swiftmailer/lib/classes/Swift/Mime/SimpleHeaderFactory.php
new file mode 100755
index 0000000..6954ac5
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/SimpleHeaderFactory.php
@@ -0,0 +1,187 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/HeaderFactory.php';
+//@require 'Swift/Mime/HeaderEncoder.php';
+//@require 'Swift/Encoder.php';
+//@require 'Swift/Mime/Headers/MailboxHeader.php';
+//@require 'Swift/Mime/Headers/DateHeader.php';
+//@require 'Swift/Mime/Headers/UnstructuredHeader.php';
+//@require 'Swift/Mime/Headers/ParameterizedHeader.php';
+//@require 'Swift/Mime/Headers/IdentificationHeader.php';
+//@require 'Swift/Mime/Headers/PathHeader.php';
+
+/**
+ * Creates MIME headers.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_SimpleHeaderFactory implements Swift_Mime_HeaderFactory
+{
+
+  /** The HeaderEncoder used by these headers */
+  private $_encoder;
+  
+  /** The Encoder used by parameters */
+  private $_paramEncoder;
+  
+  /** The charset of created Headers */
+  private $_charset;
+  
+  /**
+   * Creates a new SimpleHeaderFactory using $encoder and $paramEncoder.
+   * @param Swift_Mime_HeaderEncoder $encoder
+   * @param Swift_Encoder $paramEncoder
+   * @param string $charset
+   */
+  public function __construct(Swift_Mime_HeaderEncoder $encoder,
+    Swift_Encoder $paramEncoder, $charset = null)
+  {
+    $this->_encoder = $encoder;
+    $this->_paramEncoder = $paramEncoder;
+    $this->_charset = $charset;
+  }
+  
+  /**
+   * Create a new Mailbox Header with a list of $addresses.
+   * @param string $name
+   * @param array|string $addresses
+   * @return Swift_Mime_Header
+   */
+  public function createMailboxHeader($name, $addresses = null)
+  {
+    $header = new Swift_Mime_Headers_MailboxHeader($name, $this->_encoder);
+    if (isset($addresses))
+    {
+      $header->setFieldBodyModel($addresses);
+    }
+    $this->_setHeaderCharset($header);
+    return $header;
+  }
+  
+  /**
+   * Create a new Date header using $timestamp (UNIX time).
+   * @param string $name
+   * @param int $timestamp
+   * @return Swift_Mime_Header
+   */
+  public function createDateHeader($name, $timestamp = null)
+  {
+    $header = new Swift_Mime_Headers_DateHeader($name);
+    if (isset($timestamp))
+    {
+      $header->setFieldBodyModel($timestamp);
+    }
+    $this->_setHeaderCharset($header);
+    return $header;
+  }
+  
+  /**
+   * Create a new basic text header with $name and $value.
+   * @param string $name
+   * @param string $value
+   * @return Swift_Mime_Header
+   */
+  public function createTextHeader($name, $value = null)
+  {
+    $header = new Swift_Mime_Headers_UnstructuredHeader($name, $this->_encoder);
+    if (isset($value))
+    {
+      $header->setFieldBodyModel($value);
+    }
+    $this->_setHeaderCharset($header);
+    return $header;
+  }
+  
+  /**
+   * Create a new ParameterizedHeader with $name, $value and $params.
+   * @param string $name
+   * @param string $value
+   * @param array $params
+   * @return Swift_Mime_ParameterizedHeader
+   */
+  public function createParameterizedHeader($name, $value = null,
+    $params = array())
+  {
+    $header = new Swift_Mime_Headers_ParameterizedHeader($name,
+      $this->_encoder, (strtolower($name) == 'content-disposition')
+        ? $this->_paramEncoder
+        : null
+      );
+    if (isset($value))
+    {
+      $header->setFieldBodyModel($value);
+    }
+    foreach ($params as $k => $v)
+    {
+      $header->setParameter($k, $v);
+    }
+    $this->_setHeaderCharset($header);
+    return $header;
+  }
+  
+  /**
+   * Create a new ID header for Message-ID or Content-ID.
+   * @param string $name
+   * @param string|array $ids
+   * @return Swift_Mime_Header
+   */
+  public function createIdHeader($name, $ids = null)
+  {
+    $header = new Swift_Mime_Headers_IdentificationHeader($name);
+    if (isset($ids))
+    {
+      $header->setFieldBodyModel($ids);
+    }
+    $this->_setHeaderCharset($header);
+    return $header;
+  }
+  
+  /**
+   * Create a new Path header with an address (path) in it.
+   * @param string $name
+   * @param string $path
+   * @return Swift_Mime_Header
+   */
+  public function createPathHeader($name, $path = null)
+  {
+    $header = new Swift_Mime_Headers_PathHeader($name);
+    if (isset($path))
+    {
+      $header->setFieldBodyModel($path);
+    }
+    $this->_setHeaderCharset($header);
+    return $header;
+  }
+  
+  /**
+   * Notify this observer that the entity's charset has changed.
+   * @param string $charset
+   */
+  public function charsetChanged($charset)
+  {
+    $this->_charset = $charset;
+    $this->_encoder->charsetChanged($charset);
+    $this->_paramEncoder->charsetChanged($charset);
+  }
+  
+  // -- Private methods
+  
+  /** Apply the charset to the Header */
+  private function _setHeaderCharset(Swift_Mime_Header $header)
+  {
+    if (isset($this->_charset))
+    {
+      $header->setCharset($this->_charset);
+    }
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/SimpleHeaderSet.php b/External/swiftmailer/lib/classes/Swift/Mime/SimpleHeaderSet.php
new file mode 100755
index 0000000..eeb0221
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/SimpleHeaderSet.php
@@ -0,0 +1,396 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/HeaderSet.php';
+//@require 'Swift/Mime/HeaderFactory.php';
+
+/**
+ * A collection of MIME headers.
+ * 
+ * @package Swift
+ * @subpackage Mime
+ * 
+ * @author Chris Corbyn
+ */
+class Swift_Mime_SimpleHeaderSet implements Swift_Mime_HeaderSet
+{
+  
+  /** HeaderFactory */
+  private $_factory;
+  
+  /** Collection of set Headers */
+  private $_headers = array();
+  
+  /** Field ordering details */
+  private $_order = array();
+  
+  /** List of fields which are required to be displayed */
+  private $_required = array();
+  
+  /** The charset used by Headers */
+  private $_charset;
+  
+  /**
+   * Create a new SimpleHeaderSet with the given $factory.
+   * 
+   * @param Swift_Mime_HeaderFactory $factory
+   * @param string $charset
+   */
+  public function __construct(Swift_Mime_HeaderFactory $factory,
+    $charset = null)
+  {
+    $this->_factory = $factory;
+    if (isset($charset))
+    {
+      $this->setCharset($charset);
+    }
+  }
+  
+  /**
+   * Set the charset used by these headers.
+   * 
+   * @param string $charset
+   */
+  public function setCharset($charset)
+  {
+    $this->_charset = $charset;
+    $this->_factory->charsetChanged($charset);
+    $this->_notifyHeadersOfCharset($charset);
+  }
+  
+  /**
+   * Add a new Mailbox Header with a list of $addresses.
+   * 
+   * @param string $name
+   * @param array|string $addresses
+   */
+  public function addMailboxHeader($name, $addresses = null)
+  {
+    $this->_storeHeader($name,
+      $this->_factory->createMailboxHeader($name, $addresses));
+  }
+  
+  /**
+   * Add a new Date header using $timestamp (UNIX time).
+   * 
+   * @param string $name
+   * @param int $timestamp
+   */
+  public function addDateHeader($name, $timestamp = null)
+  {
+    $this->_storeHeader($name,
+      $this->_factory->createDateHeader($name, $timestamp));
+  }
+  
+  /**
+   * Add a new basic text header with $name and $value.
+   * 
+   * @param string $name
+   * @param string $value
+   */
+  public function addTextHeader($name, $value = null)
+  {
+    $this->_storeHeader($name,
+      $this->_factory->createTextHeader($name, $value));
+  }
+  
+  /**
+   * Add a new ParameterizedHeader with $name, $value and $params.
+   * 
+   * @param string $name
+   * @param string $value
+   * @param array $params
+   */
+  public function addParameterizedHeader($name, $value = null,
+    $params = array())
+  {
+    $this->_storeHeader($name,
+      $this->_factory->createParameterizedHeader($name, $value,
+      $params));
+  }
+  
+  /**
+   * Add a new ID header for Message-ID or Content-ID.
+   * 
+   * @param string $name
+   * @param string|array $ids
+   */
+  public function addIdHeader($name, $ids = null)
+  {
+    $this->_storeHeader($name, $this->_factory->createIdHeader($name, $ids));
+  }
+  
+  /**
+   * Add a new Path header with an address (path) in it.
+   * 
+   * @param string $name
+   * @param string $path
+   */
+  public function addPathHeader($name, $path = null)
+  {
+    $this->_storeHeader($name, $this->_factory->createPathHeader($name, $path));
+  }
+  
+  /**
+   * Returns true if at least one header with the given $name exists.
+   * 
+   * If multiple headers match, the actual one may be specified by $index.
+   * 
+   * @param string $name
+   * @param int $index
+   * 
+   * @return boolean
+   */
+  public function has($name, $index = 0)
+  {
+    $lowerName = strtolower($name);
+    return array_key_exists($lowerName, $this->_headers)
+      && array_key_exists($index, $this->_headers[$lowerName]);
+  }
+  
+  /**
+   * Set a header in the HeaderSet.
+   * 
+   * The header may be a previously fetched header via {@link get()} or it may
+   * be one that has been created separately.
+   * 
+   * If $index is specified, the header will be inserted into the set at this
+   * offset.
+   * 
+   * @param Swift_Mime_Header $header
+   * @param int $index
+   */
+  public function set(Swift_Mime_Header $header, $index = 0)
+  {
+    $this->_storeHeader($header->getFieldName(), $header, $index);
+  }
+  
+  /**
+   * Get the header with the given $name.
+   * 
+   * If multiple headers match, the actual one may be specified by $index.
+   * Returns NULL if none present.
+   * 
+   * @param string $name
+   * @param int $index
+   * 
+   * @return Swift_Mime_Header
+   */
+  public function get($name, $index = 0)
+  {
+    if ($this->has($name, $index))
+    {
+      $lowerName = strtolower($name);
+      return $this->_headers[$lowerName][$index];
+    }
+  }
+  
+  /**
+   * Get all headers with the given $name.
+   * 
+   * @param string $name
+   * 
+   * @return array
+   */
+  public function getAll($name = null)
+  {
+    if (!isset($name))
+    {
+      $headers = array();
+      foreach ($this->_headers as $collection)
+      {
+        $headers = array_merge($headers, $collection);
+      }
+      return $headers;
+    }
+    
+    $lowerName = strtolower($name);
+    if (!array_key_exists($lowerName, $this->_headers))
+    {
+      return array();
+    }
+    return $this->_headers[$lowerName];
+  }
+  
+  /**
+   * Remove the header with the given $name if it's set.
+   * 
+   * If multiple headers match, the actual one may be specified by $index.
+   * 
+   * @param string $name
+   * @param int $index
+   */
+  public function remove($name, $index = 0)
+  {
+    $lowerName = strtolower($name);
+    unset($this->_headers[$lowerName][$index]);
+  }
+  
+  /**
+   * Remove all headers with the given $name.
+   * 
+   * @param string $name
+   */
+  public function removeAll($name)
+  {
+    $lowerName = strtolower($name);
+    unset($this->_headers[$lowerName]);
+  }
+  
+  /**
+   * Create a new instance of this HeaderSet.
+   * 
+   * @return Swift_Mime_HeaderSet
+   */
+  public function newInstance()
+  {
+    return new self($this->_factory);
+  }
+  
+  /**
+   * Define a list of Header names as an array in the correct order.
+   * 
+   * These Headers will be output in the given order where present.
+   * 
+   * @param array $sequence
+   */
+  public function defineOrdering(array $sequence)
+  {
+    $this->_order = array_flip(array_map('strtolower', $sequence));
+  }
+  
+  /**
+   * Set a list of header names which must always be displayed when set.
+   * 
+   * Usually headers without a field value won't be output unless set here.
+   * 
+   * @param array $names
+   */
+  public function setAlwaysDisplayed(array $names)
+  {
+    $this->_required = array_flip(array_map('strtolower', $names));
+  }
+
+  /**
+   * Notify this observer that the entity's charset has changed.
+   * 
+   * @param string $charset
+   */
+  public function charsetChanged($charset)
+  {
+    $this->setCharset($charset);
+  }
+  
+  /**
+   * Returns a string with a representation of all headers.
+   * 
+   * @return string
+   */
+  public function toString()
+  {
+    $string = '';
+    $headers = $this->_headers;
+    if ($this->_canSort())
+    {
+      uksort($headers, array($this, '_sortHeaders'));
+    }
+    foreach ($headers as $collection)
+    {
+      foreach ($collection as $header)
+      {
+        if ($this->_isDisplayed($header) || $header->getFieldBody() != '')
+        {
+          $string .= $header->toString();
+        }
+      }
+    }
+    return $string;
+  }
+  
+  /**
+   * Returns a string representation of this object.
+   *
+   * @return string
+   *
+   * @see toString()
+   */
+  public function __toString()
+  {
+    return $this->toString();
+  }
+  
+  // -- Private methods
+  
+  /** Save a Header to the internal collection */
+  private function _storeHeader($name, Swift_Mime_Header $header, $offset = null)
+  {
+    if (!isset($this->_headers[strtolower($name)]))
+    {
+      $this->_headers[strtolower($name)] = array();
+    }
+    if (!isset($offset))
+    {
+      $this->_headers[strtolower($name)][] = $header;
+    }
+    else
+    {
+      $this->_headers[strtolower($name)][$offset] = $header;
+    }
+  }
+  
+  /** Test if the headers can be sorted */
+  private function _canSort()
+  {
+    return count($this->_order) > 0;
+  }
+  
+  /** uksort() algorithm for Header ordering */
+  private function _sortHeaders($a, $b)
+  {
+    $lowerA = strtolower($a);
+    $lowerB = strtolower($b);
+    $aPos = array_key_exists($lowerA, $this->_order)
+      ? $this->_order[$lowerA]
+      : -1;
+    $bPos = array_key_exists($lowerB, $this->_order)
+      ? $this->_order[$lowerB]
+      : -1;
+      
+    if ($aPos == -1)
+    {
+      return 1;
+    }
+    elseif ($bPos == -1)
+    {
+      return -1;
+    }
+    
+    return ($aPos < $bPos) ? -1 : 1;
+  }
+  
+  /** Test if the given Header is always displayed */
+  private function _isDisplayed(Swift_Mime_Header $header)
+  {
+    return array_key_exists(strtolower($header->getFieldName()), $this->_required);
+  }
+  
+  /** Notify all Headers of the new charset */
+  private function _notifyHeadersOfCharset($charset)
+  {
+    foreach ($this->_headers as $headerGroup)
+    {
+      foreach ($headerGroup as $header)
+      {
+        $header->setCharset($charset);
+      }
+    }
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/SimpleMessage.php b/External/swiftmailer/lib/classes/Swift/Mime/SimpleMessage.php
new file mode 100755
index 0000000..bbe1e8f
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/SimpleMessage.php
@@ -0,0 +1,609 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/Message.php';
+//@require 'Swift/Mime/MimePart.php';
+//@require 'Swift/Mime/MimeEntity.php';
+//@require 'Swift/Mime/HeaderSet.php';
+//@require 'Swift/Mime/ContentEncoder.php';
+
+/**
+ * The default email message class.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_SimpleMessage extends Swift_Mime_MimePart
+  implements Swift_Mime_Message
+{
+  
+  /**
+   * Create a new SimpleMessage with $headers, $encoder and $cache.
+   * @param Swift_Mime_HeaderSet $headers
+   * @param Swift_Mime_ContentEncoder $encoder
+   * @param Swift_KeyCache $cache
+   * @param string $charset
+   */
+  public function __construct(Swift_Mime_HeaderSet $headers,
+    Swift_Mime_ContentEncoder $encoder, Swift_KeyCache $cache, $charset = null)
+  {
+    parent::__construct($headers, $encoder, $cache, $charset);
+    $this->getHeaders()->defineOrdering(array(
+      'Return-Path',
+      'Sender',
+      'Message-ID',
+      'Date',
+      'Subject',
+      'From',
+      'Reply-To',
+      'To',
+      'Cc',
+      'Bcc',
+      'MIME-Version',
+      'Content-Type',
+      'Content-Transfer-Encoding'
+      ));
+    $this->getHeaders()->setAlwaysDisplayed(
+      array('Date', 'Message-ID', 'From')
+      );
+    $this->getHeaders()->addTextHeader('MIME-Version', '1.0');
+    $this->setDate(time());
+    $this->setId($this->getId());
+    $this->getHeaders()->addMailboxHeader('From');
+  }
+  
+  /**
+   * Always returns {@link LEVEL_TOP} for a message instance.
+   * @return int
+   */
+  public function getNestingLevel()
+  {
+    return self::LEVEL_TOP;
+  }
+  
+  /**
+   * Set the subject of this message.
+   * @param string $subject
+   */
+  public function setSubject($subject)
+  {
+    if (!$this->_setHeaderFieldModel('Subject', $subject))
+    {
+      $this->getHeaders()->addTextHeader('Subject', $subject);
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the subject of this message.
+   * @return string
+   */
+  public function getSubject()
+  {
+    return $this->_getHeaderFieldModel('Subject');
+  }
+  
+  /**
+   * Set the date at which this message was created.
+   * @param int $date
+   */
+  public function setDate($date)
+  {
+    if (!$this->_setHeaderFieldModel('Date', $date))
+    {
+      $this->getHeaders()->addDateHeader('Date', $date);
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the date at which this message was created.
+   * @return int
+   */
+  public function getDate()
+  {
+    return $this->_getHeaderFieldModel('Date');
+  }
+  
+  /**
+   * Set the return-path (the bounce address) of this message.
+   * @param string $address
+   */
+  public function setReturnPath($address)
+  {
+    if (!$this->_setHeaderFieldModel('Return-Path', $address))
+    {
+      $this->getHeaders()->addPathHeader('Return-Path', $address);
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the return-path (bounce address) of this message.
+   * @return string
+   */
+  public function getReturnPath()
+  {
+    return $this->_getHeaderFieldModel('Return-Path');
+  }
+  
+  /**
+   * Set the sender of this message.
+   * This does not override the From field, but it has a higher significance.
+   * @param string $sender
+   * @param string $name optional
+   */
+  public function setSender($address, $name = null)
+  {
+    if (!is_array($address) && isset($name))
+    {
+      $address = array($address => $name);
+    }
+    
+    if (!$this->_setHeaderFieldModel('Sender', (array) $address))
+    {
+      $this->getHeaders()->addMailboxHeader('Sender', (array) $address);
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the sender of this message.
+   * @return string
+   */
+  public function getSender()
+  {
+    return $this->_getHeaderFieldModel('Sender');
+  }
+  
+  /**
+   * Add a From: address to this message.
+   * 
+   * If $name is passed this name will be associated with the address.
+   * 
+   * @param string $address
+   * @param string $name optional
+   */
+  public function addFrom($address, $name = null)
+  {
+    $current = $this->getFrom();
+    $current[$address] = $name;
+    return $this->setFrom($current);
+  }
+  
+  /**
+   * Set the from address of this message.
+   * 
+   * You may pass an array of addresses if this message is from multiple people.
+   * 
+   * If $name is passed and the first parameter is a string, this name will be
+   * associated with the address.
+   * 
+   * @param string $addresses
+   * @param string $name optional
+   */
+  public function setFrom($addresses, $name = null)
+  {
+    if (!is_array($addresses) && isset($name))
+    {
+      $addresses = array($addresses => $name);
+    }
+    
+    if (!$this->_setHeaderFieldModel('From', (array) $addresses))
+    {
+      $this->getHeaders()->addMailboxHeader('From', (array) $addresses);
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the from address of this message.
+   * 
+   * @return string
+   */
+  public function getFrom()
+  {
+    return $this->_getHeaderFieldModel('From');
+  }
+  
+  /**
+   * Add a Reply-To: address to this message.
+   * 
+   * If $name is passed this name will be associated with the address.
+   * 
+   * @param string $address
+   * @param string $name optional
+   */
+  public function addReplyTo($address, $name = null)
+  {
+    $current = $this->getReplyTo();
+    $current[$address] = $name;
+    return $this->setReplyTo($current);
+  }
+  
+  /**
+   * Set the reply-to address of this message.
+   * 
+   * You may pass an array of addresses if replies will go to multiple people.
+   * 
+   * If $name is passed and the first parameter is a string, this name will be
+   * associated with the address.
+   *
+   * @param string $addresses
+   * @param string $name optional
+   */
+  public function setReplyTo($addresses, $name = null)
+  {
+    if (!is_array($addresses) && isset($name))
+    {
+      $addresses = array($addresses => $name);
+    }
+    
+    if (!$this->_setHeaderFieldModel('Reply-To', (array) $addresses))
+    {
+      $this->getHeaders()->addMailboxHeader('Reply-To', (array) $addresses);
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the reply-to address of this message.
+   * 
+   * @return string
+   */
+  public function getReplyTo()
+  {
+    return $this->_getHeaderFieldModel('Reply-To');
+  }
+  
+  /**
+   * Add a To: address to this message.
+   * 
+   * If $name is passed this name will be associated with the address.
+   * 
+   * @param string $address
+   * @param string $name optional
+   */
+  public function addTo($address, $name = null)
+  {
+    $current = $this->getTo();
+    $current[$address] = $name;
+    return $this->setTo($current);
+  }
+  
+  /**
+   * Set the to addresses of this message.
+   * 
+   * If multiple recipients will receive the message and array should be used.
+   * 
+   * If $name is passed and the first parameter is a string, this name will be
+   * associated with the address.
+   * 
+   * @param array $addresses
+   * @param string $name optional
+   */
+  public function setTo($addresses, $name = null)
+  {
+    if (!is_array($addresses) && isset($name))
+    {
+      $addresses = array($addresses => $name);
+    }
+    
+    if (!$this->_setHeaderFieldModel('To', (array) $addresses))
+    {
+      $this->getHeaders()->addMailboxHeader('To', (array) $addresses);
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the To addresses of this message.
+   * 
+   * @return array
+   */
+  public function getTo()
+  {
+    return $this->_getHeaderFieldModel('To');
+  }
+  
+  /**
+   * Add a Cc: address to this message.
+   * 
+   * If $name is passed this name will be associated with the address.
+   * 
+   * @param string $address
+   * @param string $name optional
+   */
+  public function addCc($address, $name = null)
+  {
+    $current = $this->getCc();
+    $current[$address] = $name;
+    return $this->setCc($current);
+  }
+  
+  /**
+   * Set the Cc addresses of this message.
+   * 
+   * If $name is passed and the first parameter is a string, this name will be
+   * associated with the address.
+   *
+   * @param array $addresses
+   * @param string $name optional
+   */
+  public function setCc($addresses, $name = null)
+  {
+    if (!is_array($addresses) && isset($name))
+    {
+      $addresses = array($addresses => $name);
+    }
+    
+    if (!$this->_setHeaderFieldModel('Cc', (array) $addresses))
+    {
+      $this->getHeaders()->addMailboxHeader('Cc', (array) $addresses);
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the Cc address of this message.
+   * 
+   * @return array
+   */
+  public function getCc()
+  {
+    return $this->_getHeaderFieldModel('Cc');
+  }
+  
+  /**
+   * Add a Bcc: address to this message.
+   * 
+   * If $name is passed this name will be associated with the address.
+   * 
+   * @param string $address
+   * @param string $name optional
+   */
+  public function addBcc($address, $name = null)
+  {
+    $current = $this->getBcc();
+    $current[$address] = $name;
+    return $this->setBcc($current);
+  }
+  
+  /**
+   * Set the Bcc addresses of this message.
+   * 
+   * If $name is passed and the first parameter is a string, this name will be
+   * associated with the address.
+   * 
+   * @param array $addresses
+   * @param string $name optional
+   */
+  public function setBcc($addresses, $name = null)
+  {
+    if (!is_array($addresses) && isset($name))
+    {
+      $addresses = array($addresses => $name);
+    }
+    
+    if (!$this->_setHeaderFieldModel('Bcc', (array) $addresses))
+    {
+      $this->getHeaders()->addMailboxHeader('Bcc', (array) $addresses);
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the Bcc addresses of this message.
+   * 
+   * @return array
+   */
+  public function getBcc()
+  {
+    return $this->_getHeaderFieldModel('Bcc');
+  }
+  
+  /**
+   * Set the priority of this message.
+   * The value is an integer where 1 is the highest priority and 5 is the lowest.
+   * @param int $priority
+   */
+  public function setPriority($priority)
+  {
+    $priorityMap = array(
+      1 => 'Highest',
+      2 => 'High',
+      3 => 'Normal',
+      4 => 'Low',
+      5 => 'Lowest'
+      );
+    $pMapKeys = array_keys($priorityMap);
+    if ($priority > max($pMapKeys))
+    {
+      $priority = max($pMapKeys);
+    }
+    elseif ($priority < min($pMapKeys))
+    {
+      $priority = min($pMapKeys);
+    }
+    if (!$this->_setHeaderFieldModel('X-Priority',
+      sprintf('%d (%s)', $priority, $priorityMap[$priority])))
+    {
+      $this->getHeaders()->addTextHeader('X-Priority',
+        sprintf('%d (%s)', $priority, $priorityMap[$priority]));
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the priority of this message.
+   * The returned value is an integer where 1 is the highest priority and 5
+   * is the lowest.
+   * @return int
+   */
+  public function getPriority()
+  {
+    list($priority) = sscanf($this->_getHeaderFieldModel('X-Priority'),
+      '%[1-5]'
+      );
+    return isset($priority) ? $priority : 3;
+  }
+  
+  /**
+   * Ask for a delivery receipt from the recipient to be sent to $addresses
+   * @param array $addresses
+   */
+  public function setReadReceiptTo($addresses)
+  {
+    if (!$this->_setHeaderFieldModel('Disposition-Notification-To', $addresses))
+    {
+      $this->getHeaders()
+        ->addMailboxHeader('Disposition-Notification-To', $addresses);
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the addresses to which a read-receipt will be sent.
+   * @return string
+   */
+  public function getReadReceiptTo()
+  {
+    return $this->_getHeaderFieldModel('Disposition-Notification-To');
+  }
+  
+  /**
+   * Attach a {@link Swift_Mime_MimeEntity} such as an Attachment or MimePart.
+   * @param Swift_Mime_MimeEntity $entity
+   */
+  public function attach(Swift_Mime_MimeEntity $entity)
+  {
+    $this->setChildren(array_merge($this->getChildren(), array($entity)));
+    return $this;
+  }
+  
+  /**
+   * Remove an already attached entity.
+   * @param Swift_Mime_MimeEntity $entity
+   */
+  public function detach(Swift_Mime_MimeEntity $entity)
+  {
+    $newChildren = array();
+    foreach ($this->getChildren() as $child)
+    {
+      if ($entity !== $child)
+      {
+        $newChildren[] = $child;
+      }
+    }
+    $this->setChildren($newChildren);
+    return $this;
+  }
+  
+  /**
+   * Attach a {@link Swift_Mime_MimeEntity} and return it's CID source.
+   * This method should be used when embedding images or other data in a message.
+   * @param Swift_Mime_MimeEntity $entity
+   * @return string
+   */
+  public function embed(Swift_Mime_MimeEntity $entity)
+  {
+    $this->attach($entity);
+    return 'cid:' . $entity->getId();
+  }
+  
+  /**
+   * Get this message as a complete string.
+   * @return string
+   */
+  public function toString()
+  {
+    if (count($children = $this->getChildren()) > 0 && $this->getBody() != '')
+    {
+      $this->setChildren(array_merge(array($this->_becomeMimePart()), $children));
+      $string = parent::toString();
+      $this->setChildren($children);
+    }
+    else
+    {
+      $string = parent::toString();
+    }
+    return $string;
+  }
+  
+  /**
+   * Returns a string representation of this object.
+   *
+   * @return string
+   *
+   * @see toString()
+   */
+  public function __toString()
+  {
+    return $this->toString();
+  }
+  
+  /**
+   * Write this message to a {@link Swift_InputByteStream}.
+   * @param Swift_InputByteStream $is
+   */
+  public function toByteStream(Swift_InputByteStream $is)
+  {
+    if (count($children = $this->getChildren()) > 0 && $this->getBody() != '')
+    {
+      $this->setChildren(array_merge(array($this->_becomeMimePart()), $children));
+      parent::toByteStream($is);
+      $this->setChildren($children);
+    }
+    else
+    {
+      parent::toByteStream($is);
+    }
+  }
+  
+  // -- Protected methods
+  
+  /** @see Swift_Mime_SimpleMimeEntity::_getIdField() */
+  protected function _getIdField()
+  {
+    return 'Message-ID';
+  }
+  
+  // -- Private methods
+  
+  /** Turn the body of this message into a child of itself if needed */
+  private function _becomeMimePart()
+  {
+    $part = new parent($this->getHeaders()->newInstance(), $this->getEncoder(),
+      $this->_getCache(), $this->_userCharset
+      );
+    $part->setContentType($this->_userContentType);
+    $part->setBody($this->getBody());
+    $part->setFormat($this->_userFormat);
+    $part->setDelSp($this->_userDelSp);
+    $part->_setNestingLevel($this->_getTopNestingLevel());
+    return $part;
+  }
+  
+  /** Get the highest nesting level nested inside this message */
+  private function _getTopNestingLevel()
+  {
+    $highestLevel = $this->getNestingLevel();
+    foreach ($this->getChildren() as $child)
+    {
+      $childLevel = $child->getNestingLevel();
+      if ($highestLevel < $childLevel)
+      {
+        $highestLevel = $childLevel;
+      }
+    }
+    return $highestLevel;
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Mime/SimpleMimeEntity.php b/External/swiftmailer/lib/classes/Swift/Mime/SimpleMimeEntity.php
new file mode 100755
index 0000000..1615822
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Mime/SimpleMimeEntity.php
@@ -0,0 +1,803 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/HeaderSet.php';
+//@require 'Swift/OutputByteStream.php';
+//@require 'Swift/Mime/ContentEncoder.php';
+//@require 'Swift/KeyCache.php';
+
+/**
+ * A MIME entity, in a multipart message.
+ * @package Swift
+ * @subpackage Mime
+ * @author Chris Corbyn
+ */
+class Swift_Mime_SimpleMimeEntity implements Swift_Mime_MimeEntity
+{
+  
+  /** A collection of Headers for this mime entity */
+  private $_headers;
+  
+  /** The body as a string, or a stream */
+  private $_body;
+  
+  /** The encoder that encodes the body into a streamable format */
+  private $_encoder;
+  
+  /** A mime bounary, if any is used */
+  private $_boundary;
+  
+  /** Mime types to be used based on the nesting level */
+  private $_compositeRanges = array(
+    'multipart/mixed' => array(self::LEVEL_TOP, self::LEVEL_MIXED),
+    'multipart/alternative' => array(self::LEVEL_MIXED, self::LEVEL_ALTERNATIVE),
+    'multipart/related' => array(self::LEVEL_ALTERNATIVE, self::LEVEL_RELATED)
+    );
+  
+  /** A set of filter rules to define what level an entity should be nested at */
+  private $_compoundLevelFilters = array();
+    
+  /** The nesting level of this entity */
+  private $_nestingLevel = self::LEVEL_ALTERNATIVE;
+  
+  /** A KeyCache instance used during encoding and streaming */
+  private $_cache;
+  
+  /** Direct descendants of this entity */
+  private $_immediateChildren = array();
+  
+  /** All descendants of this entity */
+  private $_children = array();
+  
+  /** The maximum line length of the body of this entity */
+  private $_maxLineLength = 78;
+  
+  /** The order in which alternative mime types should appear */
+  private $_alternativePartOrder = array(
+    'text/plain' => 1,
+    'text/html' => 2,
+    'multipart/related' => 3
+    );
+  
+  /** The CID of this entity */
+  private $_id;
+  
+  /** The key used for accessing the cache */
+  private $_cacheKey;
+  
+  protected $_userContentType;
+  
+  /**
+   * Create a new SimpleMimeEntity with $headers, $encoder and $cache.
+   * @param Swift_Mime_HeaderSet $headers
+   * @param Swift_Mime_ContentEncoder $encoder
+   * @param Swift_KeyCache $cache
+   */
+  public function __construct(Swift_Mime_HeaderSet $headers,
+    Swift_Mime_ContentEncoder $encoder, Swift_KeyCache $cache)
+  {
+    $this->_cacheKey = uniqid();
+    $this->_cache = $cache;
+    $this->_headers = $headers;
+    $this->setEncoder($encoder);
+    $this->_headers->defineOrdering(
+      array('Content-Type', 'Content-Transfer-Encoding')
+      );
+    
+    // This array specifies that, when the entire MIME document contains
+    // $compoundLevel, then for each child within $level, if its Content-Type
+    // is $contentType then it should be treated as if it's level is
+    // $neededLevel instead.  I tried to write that unambiguously! :-\
+    // Data Structure:
+    // array (
+    //   $compoundLevel => array(
+    //     $level => array(
+    //       $contentType => $neededLevel
+    //     )
+    //   )
+    // )
+    
+    $this->_compoundLevelFilters = array(
+      (self::LEVEL_ALTERNATIVE + self::LEVEL_RELATED) => array(
+        self::LEVEL_ALTERNATIVE => array(
+          'text/plain' => self::LEVEL_ALTERNATIVE,
+          'text/html' => self::LEVEL_RELATED
+          )
+        )
+      );
+
+    $this->_id = $this->getRandomId();
+  }
+  
+  /**
+   * Generate a new Content-ID or Message-ID for this MIME entity.
+   * @return string
+   */
+  public function generateId()
+  {
+    $this->setId($this->getRandomId());
+    return $this->_id;
+  }
+  
+  /**
+   * Get the {@link Swift_Mime_HeaderSet} for this entity.
+   * @return Swift_Mime_HeaderSet
+   */
+  public function getHeaders()
+  {
+    return $this->_headers;
+  }
+  
+  /**
+   * Get the nesting level of this entity.
+   * @return int
+   * @see LEVEL_TOP, LEVEL_MIXED, LEVEL_RELATED, LEVEL_ALTERNATIVE
+   */
+  public function getNestingLevel()
+  {
+    return $this->_nestingLevel;
+  }
+  
+  /**
+   * Get the Content-type of this entity.
+   * @return string
+   */
+  public function getContentType()
+  {
+    return $this->_getHeaderFieldModel('Content-Type');
+  }
+  
+  /**
+   * Set the Content-type of this entity.
+   * @param string $type
+   */
+  public function setContentType($type)
+  {
+    $this->_setContentTypeInHeaders($type);
+    // Keep track of the value so that if the content-type changes automatically
+    // due to added child entities, it can be restored if they are later removed
+    $this->_userContentType = $type;
+    return $this;
+  }
+  
+  /**
+   * Get the CID of this entity.
+   * The CID will only be present in headers if a Content-ID header is present.
+   * @return string
+   */
+  public function getId()
+  {
+    return $this->_headers->has($this->_getIdField())
+      ? current((array) $this->_getHeaderFieldModel($this->_getIdField()))
+      : $this->_id;
+  }
+  
+  /**
+   * Set the CID of this entity.
+   * @param string $id
+   */
+  public function setId($id)
+  {
+    if (!$this->_setHeaderFieldModel($this->_getIdField(), $id))
+    {
+      $this->_headers->addIdHeader($this->_getIdField(), $id);
+    }
+    $this->_id = $id;
+    return $this;
+  }
+  
+  /**
+   * Get the description of this entity.
+   * This value comes from the Content-Description header if set.
+   * @return string
+   */
+  public function getDescription()
+  {
+    return $this->_getHeaderFieldModel('Content-Description');
+  }
+  
+  /**
+   * Set the description of this entity.
+   * This method sets a value in the Content-ID header.
+   * @param string $description
+   */
+  public function setDescription($description)
+  {
+    if (!$this->_setHeaderFieldModel('Content-Description', $description))
+    {
+      $this->_headers->addTextHeader('Content-Description', $description);
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the maximum line length of the body of this entity.
+   * @return int
+   */
+  public function getMaxLineLength()
+  {
+    return $this->_maxLineLength;
+  }
+  
+  /**
+   * Set the maximum line length of lines in this body.
+   * Though not enforced by the library, lines should not exceed 1000 chars.
+   * @param int $length
+   */
+  public function setMaxLineLength($length)
+  {
+    $this->_maxLineLength = $length;
+    return $this;
+  }
+  
+  /**
+   * Get all children added to this entity.
+   * @return array of Swift_Mime_Entity
+   */
+  public function getChildren()
+  {
+    return $this->_children;
+  }
+  
+  /**
+   * Set all children of this entity.
+   * @param array $children Swiift_Mime_Entity instances
+   * @param int $compoundLevel For internal use only
+   */
+  public function setChildren(array $children, $compoundLevel = null)
+  {
+    //TODO: Try to refactor this logic
+    
+    $compoundLevel = isset($compoundLevel)
+      ? $compoundLevel
+      : $this->_getCompoundLevel($children)
+      ;
+    
+    $immediateChildren = array();
+    $grandchildren = array();
+    $newContentType = $this->_userContentType;
+    
+    foreach ($children as $child)
+    {
+      $level = $this->_getNeededChildLevel($child, $compoundLevel);
+      if (empty($immediateChildren)) //first iteration
+      {
+        $immediateChildren = array($child);
+      }
+      else
+      {
+        $nextLevel = $this->_getNeededChildLevel($immediateChildren[0], $compoundLevel);
+        if ($nextLevel == $level)
+        {
+          $immediateChildren[] = $child;
+        }
+        elseif ($level < $nextLevel)
+        {
+          //Re-assign immediateChildren to grandchilden
+          $grandchildren = array_merge($grandchildren, $immediateChildren);
+          //Set new children
+          $immediateChildren = array($child);
+        }
+        else
+        {
+          $grandchildren[] = $child;
+        }
+      }
+    }
+    
+    if (!empty($immediateChildren))
+    {
+      $lowestLevel = $this->_getNeededChildLevel($immediateChildren[0], $compoundLevel);
+      
+      //Determine which composite media type is needed to accomodate the
+      // immediate children
+      foreach ($this->_compositeRanges as $mediaType => $range)
+      {
+        if ($lowestLevel > $range[0]
+          && $lowestLevel <= $range[1])
+        {
+          $newContentType = $mediaType;
+          break;
+        }
+      }
+      
+      //Put any grandchildren in a subpart
+      if (!empty($grandchildren))
+      {
+        $subentity = $this->_createChild();
+        $subentity->_setNestingLevel($lowestLevel);
+        $subentity->setChildren($grandchildren, $compoundLevel);
+        array_unshift($immediateChildren, $subentity);
+      }
+    }
+    
+    $this->_immediateChildren = $immediateChildren;
+    $this->_children = $children;
+    $this->_setContentTypeInHeaders($newContentType);
+    $this->_fixHeaders();
+    $this->_sortChildren();
+    
+    return $this;
+  }
+  
+  /**
+   * Get the body of this entity as a string.
+   * @return string
+   */
+  public function getBody()
+  {
+    return ($this->_body instanceof Swift_OutputByteStream)
+      ? $this->_readStream($this->_body)
+      : $this->_body;
+  }
+  
+  /**
+   * Set the body of this entity, either as a string, or as an instance of
+   * {@link Swift_OutputByteStream}.
+   * @param mixed $body
+   * @param string $contentType optional
+   */
+  public function setBody($body, $contentType = null)
+  {
+    if ($body !== $this->_body)
+    {
+      $this->_clearCache();
+    }
+    
+    $this->_body = $body;
+    if (isset($contentType))
+    {
+      $this->setContentType($contentType);
+    }
+    return $this;
+  }
+  
+  /**
+   * Get the encoder used for the body of this entity.
+   * @return Swift_Mime_ContentEncoder
+   */
+  public function getEncoder()
+  {
+    return $this->_encoder;
+  }
+  
+  /**
+   * Set the encoder used for the body of this entity.
+   * @param Swift_Mime_ContentEncoder $encoder
+   */
+  public function setEncoder(Swift_Mime_ContentEncoder $encoder)
+  {
+    if ($encoder !== $this->_encoder)
+    {
+      $this->_clearCache();
+    }
+    
+    $this->_encoder = $encoder;
+    $this->_setEncoding($encoder->getName());
+    $this->_notifyEncoderChanged($encoder);
+    return $this;
+  }
+  
+  /**
+   * Get the boundary used to separate children in this entity.
+   * @return string
+   */
+  public function getBoundary()
+  {
+    if (!isset($this->_boundary))
+    {
+      $this->_boundary = '_=_swift_v4_' . time() . uniqid() . '_=_';
+    }
+    return $this->_boundary;
+  }
+  
+  /**
+   * Set the boundary used to separate children in this entity.
+   * @param string $boundary
+   * @throws Swift_RfcComplianceException
+   */
+  public function setBoundary($boundary)
+  {
+    $this->_assertValidBoundary($boundary);
+    $this->_boundary = $boundary;
+    return $this;
+  }
+  
+  /**
+   * Receive notification that the charset of this entity, or a parent entity
+   * has changed.
+   * @param string $charset
+   */
+  public function charsetChanged($charset)
+  {
+    $this->_notifyCharsetChanged($charset);
+  }
+  
+  /**
+   * Receive notification that the encoder of this entity or a parent entity
+   * has changed.
+   * @param Swift_Mime_ContentEncoder $encoder
+   */
+  public function encoderChanged(Swift_Mime_ContentEncoder $encoder)
+  {
+    $this->_notifyEncoderChanged($encoder);
+  }
+  
+  /**
+   * Get this entire entity as a string.
+   * @return string
+   */
+  public function toString()
+  {
+    $string = $this->_headers->toString();
+    if (isset($this->_body) && empty($this->_immediateChildren))
+    {
+      if ($this->_cache->hasKey($this->_cacheKey, 'body'))
+      {
+        $body = $this->_cache->getString($this->_cacheKey, 'body');
+      }
+      else
+      {
+        $body = "\r\n" . $this->_encoder->encodeString($this->getBody(), 0,
+          $this->getMaxLineLength()
+          );
+        $this->_cache->setString($this->_cacheKey, 'body', $body,
+          Swift_KeyCache::MODE_WRITE
+          );
+      }
+      $string .= $body;
+    }
+    
+    if (!empty($this->_immediateChildren))
+    {
+      foreach ($this->_immediateChildren as $child)
+      {
+        $string .= "\r\n\r\n--" . $this->getBoundary() . "\r\n";
+        $string .= $child->toString();
+      }
+      $string .= "\r\n\r\n--" . $this->getBoundary() . "--\r\n";
+    }
+    
+    return $string;
+  }
+  
+  /**
+   * Returns a string representation of this object.
+   *
+   * @return string
+   *
+   * @see toString()
+   */
+  public function __toString()
+  {
+    return $this->toString();
+  }
+  
+  /**
+   * Write this entire entity to a {@link Swift_InputByteStream}.
+   * @param Swift_InputByteStream
+   */
+  public function toByteStream(Swift_InputByteStream $is)
+  {
+    $is->write($this->_headers->toString());
+    $is->commit();
+    
+    if (empty($this->_immediateChildren))
+    {
+      if (isset($this->_body))
+      {
+        if ($this->_cache->hasKey($this->_cacheKey, 'body'))
+        {
+          $this->_cache->exportToByteStream($this->_cacheKey, 'body', $is);
+        }
+        else
+        {
+          $cacheIs = $this->_cache->getInputByteStream($this->_cacheKey, 'body');
+          if ($cacheIs)
+          {
+            $is->bind($cacheIs);
+          }
+          
+          $is->write("\r\n");
+          
+          if ($this->_body instanceof Swift_OutputByteStream)
+          {
+            $this->_body->setReadPointer(0);
+            
+            $this->_encoder->encodeByteStream($this->_body, $is, 0,
+              $this->getMaxLineLength()
+              );
+          }
+          else
+          {
+            $is->write($this->_encoder->encodeString(
+              $this->getBody(), 0, $this->getMaxLineLength()
+              ));
+          }
+          
+          if ($cacheIs)
+          {
+            $is->unbind($cacheIs);
+          }
+        }
+      }
+    }
+    
+    if (!empty($this->_immediateChildren))
+    {
+      foreach ($this->_immediateChildren as $child)
+      {
+        $is->write("\r\n\r\n--" . $this->getBoundary() . "\r\n");
+        $child->toByteStream($is);
+      }
+      $is->write("\r\n\r\n--" . $this->getBoundary() . "--\r\n");
+    }
+  }
+  
+  // -- Protected methods
+  
+  /**
+   * Get the name of the header that provides the ID of this entity */
+  protected function _getIdField()
+  {
+    return 'Content-ID';
+  }
+  
+  /**
+   * Get the model data (usually an array or a string) for $field.
+   */
+  protected function _getHeaderFieldModel($field)
+  {
+    if ($this->_headers->has($field))
+    {
+      return $this->_headers->get($field)->getFieldBodyModel();
+    }
+  }
+  
+  /**
+   * Set the model data for $field.
+   */
+  protected function _setHeaderFieldModel($field, $model)
+  {
+    if ($this->_headers->has($field))
+    {
+      $this->_headers->get($field)->setFieldBodyModel($model);
+      return true;
+    }
+    else
+    {
+      return false;
+    }
+  }
+  
+  /**
+   * Get the parameter value of $parameter on $field header.
+   */
+  protected function _getHeaderParameter($field, $parameter)
+  {
+    if ($this->_headers->has($field))
+    {
+      return $this->_headers->get($field)->getParameter($parameter);
+    }
+  }
+  
+  /**
+   * Set the parameter value of $parameter on $field header.
+   */
+  protected function _setHeaderParameter($field, $parameter, $value)
+  {
+    if ($this->_headers->has($field))
+    {
+      $this->_headers->get($field)->setParameter($parameter, $value);
+      return true;
+    }
+    else
+    {
+      return false;
+    }
+  }
+  
+  /**
+   * Re-evaluate what content type and encoding should be used on this entity.
+   */
+  protected function _fixHeaders()
+  {
+    if (count($this->_immediateChildren))
+    {
+      $this->_setHeaderParameter('Content-Type', 'boundary',
+        $this->getBoundary()
+        );
+      $this->_headers->remove('Content-Transfer-Encoding');
+    }
+    else
+    {
+      $this->_setHeaderParameter('Content-Type', 'boundary', null);
+      $this->_setEncoding($this->_encoder->getName());
+    }
+  }
+  
+  /**
+   * Get the KeyCache used in this entity.
+   */
+  protected function _getCache()
+  {
+    return $this->_cache;
+  }
+  
+  /**
+   * Empty the KeyCache for this entity.
+   */
+  protected function _clearCache()
+  {
+    $this->_cache->clearKey($this->_cacheKey, 'body');
+  }
+  
+  /**
+   * Returns a random Content-ID or Message-ID.
+   * @return string
+   */
+  protected function getRandomId()
+  {
+    $idLeft = time() . '.' . uniqid();
+    $idRight = !empty($_SERVER['SERVER_NAME'])
+      ? $_SERVER['SERVER_NAME']
+      : 'swift.generated';
+    return $idLeft . '@' . $idRight;
+  }
+  
+  // -- Private methods
+  
+  private function _readStream(Swift_OutputByteStream $os)
+  {
+    $string = '';
+    while (false !== $bytes = $os->read(8192))
+    {
+      $string .= $bytes;
+    }
+    return $string;
+  }
+  
+  private function _setEncoding($encoding)
+  {
+    if (!$this->_setHeaderFieldModel('Content-Transfer-Encoding', $encoding))
+    {
+      $this->_headers->addTextHeader('Content-Transfer-Encoding', $encoding);
+    }
+  }
+  
+  private function _assertValidBoundary($boundary)
+  {
+    if (!preg_match(
+      '/^[a-z0-9\'\(\)\+_\-,\.\/:=\?\ ]{0,69}[a-z0-9\'\(\)\+_\-,\.\/:=\?]$/Di',
+      $boundary))
+    {
+      throw new Swift_RfcComplianceException('Mime boundary set is not RFC 2046 compliant.');
+    }
+  }
+  
+  private function _setContentTypeInHeaders($type)
+  {
+    if (!$this->_setHeaderFieldModel('Content-Type', $type))
+    {
+      $this->_headers->addParameterizedHeader('Content-Type', $type);
+    }
+  }
+  
+  private function _setNestingLevel($level)
+  {
+    $this->_nestingLevel = $level;
+  }
+  
+  private function _getCompoundLevel($children)
+  {
+    $level = 0;
+    foreach ($children as $child)
+    {
+      $level |= $child->getNestingLevel();
+    }
+    return $level;
+  }
+  
+  private function _getNeededChildLevel($child, $compoundLevel)
+  {
+    $filter = array();
+    foreach ($this->_compoundLevelFilters as $bitmask => $rules)
+    {
+      if (($compoundLevel & $bitmask) === $bitmask)
+      {
+        $filter = $rules + $filter;
+      }
+    }
+    
+    $realLevel = $child->getNestingLevel();
+    $lowercaseType = strtolower($child->getContentType());
+    
+    if (isset($filter[$realLevel])
+      && isset($filter[$realLevel][$lowercaseType]))
+    {
+      return $filter[$realLevel][$lowercaseType];
+    }
+    else
+    {
+      return $realLevel;
+    }
+  }
+  
+  private function _createChild()
+  {
+    return new self($this->_headers->newInstance(),
+      $this->_encoder, $this->_cache);
+  }
+  
+  private function _notifyEncoderChanged(Swift_Mime_ContentEncoder $encoder)
+  {
+    foreach ($this->_immediateChildren as $child)
+    {
+      $child->encoderChanged($encoder);
+    }
+  }
+  
+  private function _notifyCharsetChanged($charset)
+  {
+    $this->_encoder->charsetChanged($charset);
+    $this->_headers->charsetChanged($charset);
+    foreach ($this->_immediateChildren as $child)
+    {
+      $child->charsetChanged($charset);
+    }
+  }
+  
+  private function _sortChildren()
+  {
+    $shouldSort = false;
+    foreach ($this->_immediateChildren as $child)
+    {
+      //NOTE: This include alternative parts moved into a related part
+      if ($child->getNestingLevel() == self::LEVEL_ALTERNATIVE)
+      {
+        $shouldSort = true;
+        break;
+      }
+    }
+    
+    //Sort in order of preference, if there is one
+    if ($shouldSort)
+    {
+      usort($this->_immediateChildren, array($this, '_childSortAlgorithm'));
+    }
+  }
+  
+  private function _childSortAlgorithm($a, $b)
+  {
+    $typePrefs = array();
+    $types = array(
+      strtolower($a->getContentType()),
+      strtolower($b->getContentType())
+      );
+    foreach ($types as $type)
+    {
+      $typePrefs[] = (array_key_exists($type, $this->_alternativePartOrder))
+        ? $this->_alternativePartOrder[$type]
+        : (max($this->_alternativePartOrder) + 1);
+    }
+    return ($typePrefs[0] >= $typePrefs[1]) ? 1 : -1;
+  }
+  
+  // -- Destructor
+  
+  /**
+   * Empties it's own contents from the cache.
+   */
+  public function __destruct()
+  {
+    $this->_cache->clearAll($this->_cacheKey);
+  }
+  
+}