amber-smalltalk/amber — pull request #667 by mkroehnert (2013-09-08 15:34:19+00:00)
Title: fix AnnouncementSubscription>>handlesAnnouncement: + UnitTest

`AnnouncementSubscription>>handlesAnnouncement:` incorrectly returned `false` when a subclass of `AnnouncementSubscription>>announcementClass` was passed as the argument of the method.