Islandora/tuque — pull request #41 by nigelgbanks (2013-01-24 00:10:11+00:00)
Title: Update the object cache/properties only when action is successful.

Previously some object properties were being set before the event
(change label/purge), and if that event threw an exception for some reason,
the object would have a incorrect value, or not be present in the cache.