Added Compat.php file
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 9bf7965..e879918 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -90,6 +90,7 @@
<li>Added support for external urls in <kbd>form_open()</kbd>.</li>
<li>Added a language entry for valid_ip validation error.</li>
<li>Added titles to all user manual pages.</li>
+ <li>Added Compat.php to allow function overrides for older versions of PHP or PHP environments missing certain extensions / libraries</li>
<li>Added <a href="http://codeigniter.com/user_guide/libraries/zip.html">Zip Encoding Class</a> to the table of contents of the userguide.</li>
<li>Moved the safe mode and auth checks for the Email library into the constructor. </li>
<li>Moved part of the userguide menu javascript to an external file.</li>
@@ -118,6 +119,7 @@
<li>Fixed a bug in the <a href="./libraries/parser.html">parser class</a> where numeric data was ignored.</li>
<li>Fixed a bug when loading plugin files as _plugin. and not _pi.</li>
<li>Fixed a bug in the SQLite driver for PHP 4.</li>
+ <li>Fixed a bug in the clean_email() method of the Email class to allow for non-numeric / non-sequential array keys.</li>
<li>Fixed an example of comma-separated emails in the email library documentation.</li>
<li>Fixed an example in the Calendar library for Showing Next/Previous Month Links.</li>
<li>Fixed a typo in the database language file.</li>