Fixed bug #66073 (Traits are not included in OOP changelog)

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@332133 c90b9560-bf6c-de11-be94-00142212c4b1
Clarify this example a bit more (Re bug #66063)

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@332134 c90b9560-bf6c-de11-be94-00142212c4b1
Fixed bug #65978 (mysqli.commit examples flawed)

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@332135 c90b9560-bf6c-de11-be94-00142212c4b1