Adding MPTT class and made some minor improvements to PostgreSQL classes.
Improved Boolean field class for PostgreSQL.
Fixed a few bugs in field classes and with some other classes.
Update config/database.php
Update config/database.php
Merging some PHP 5.3+ changes (Part 1).
Merging some more PHP 5.3+ changes (Part 2).
Adding some more PHP 5.3+ changes (Part 3).
Merging updates to field/adaptor classes.
Updating DB2 classes with PHP 5.3+ changes.
Updating Dizzle, Firebird, and MariaDB classes with PHP 5.3+ changes.
Updating MsSQL and MySQL classes with PHP 5.3+ changes.
Updating Oracle, PostgreSQL, and SQLite classes with PHP 5.3+ changes.
Merge branch 'refs/heads/3.3/develop' into 3.3/master
Fixing a static reference bug and updating string operators with constants.
Merge branch 'refs/heads/3.3/develop' into 3.3/master
Merging 3.2 changes into 3.3 branches.
Merge branch 'refs/heads/3.3/develop' into 3.3/master
Moving and renaming base object class.
Moving exception classes and renaming folder.