GMVPhy now checks for the newer vphysics interface
Remove some global variables and check for a nonzero diff
Only get relative velocity if the ground object is a rigid body.
Fuzzy zero check in writebackVelocityAndTransform
Posix setname should (hopefully) work now
Fuzzy zero check in applyDamping
Enable SSE in linux
Don't do a callback if the object's marked for delete!
Change note about CPhysConvex/Collide in the interface