Fix for changing number of pieces no longer sync'ing up correctly.  Also, bring in invisible objects.  Another pass is needed to hide invisible objects inside of Maya.
Fix for changing number of pieces no longer sync'ing up correctly.  Also, bring in invisible objects.  Another pass is needed to hide invisible objects inside of Maya.

sonictk/HoudiniEngineForMaya,pokyfudywise/HoudiniEngineForMaya,sideeffects/HoudiniEngineForMaya,sideeffects/HoudiniEngineForMaya,sonictk/HoudiniEngineForMaya,sideeffects/HoudiniEngineForMaya,pokyfudywise/HoudiniEngineForMaya,sonictk/HoudiniEngineForMaya,pokyfudywise/HoudiniEngineForMaya