Small probelm I've noticed with werebats, probably easily fixed.
Werebat skin does not seem to apply correctly or is simply missing some feats. The other werebeasts get Improved Unarmed Fighting, Weapon Proficiency Creature, and I believe Weapon Focus Unarmed. The werebat isn't receiving these feats, however which prevents the creature weapons from being equipped properly on shifting.
Possibly related, too: When shifting from Human to Hybrid or Human to Animal, the character model doesn't change properly. It simply chops off the head of the base human. It does change properly, however, when changing from Hybrid to Animal or Animal to Hybrid. I have a feeling this is simply linked to the creature weapon not being applied though.