Don't normalize a zero-length ray direction.
Minor linux fix for SSE
Some minor fixes
Linux functions return 0 on success!
bullet isFinite/isNan
Use IPhysicsObject32 instead of IPhysicsObject (forgot to commit this)
GMVPhy important changes I forgot to commit
Use a temporary event to cache some values in pre/postcollision
Feedback on vphysics_numthreads
Remove a pointless CleanupDeleteList call
Remove unused variable from MotionController
DragController don't do anything if object is asleep