Patch 4.0.1a

The following issues have been addressed in the 4.0.1a minor patch.http://forums.worldofwarcraft.com/thread.html?sid=1&topicId=27387876237
* Using a "/cast!<pet ability" command no longer disconnects players.
* Mousing over objects that generate a cogwheel should no longer cause the client to freeze or disconnect.
* Guild Tabards should no longer display on characters not actually wearing the Guild Tabard.
* Floating combat text should always appear.
* NPC Health Bars/Nameplates are now appearing correctly.
== References ==
4.0.1a
es:Parche 4.0.1a