l3pp4rd/DoctrineExtensions — pull request #709 by levofski (2013-05-21 10:30:35+00:00)
Title: Correction to $oldSlug for preUpdate event arguments.

Populating $oldSlug from $changeSet original value rather than from
$object. $object holds the new value at this stage. This meant that
other preUpdate event handlers could not see the original value.