FULLPIPE: Remove C* prefixes from motion classes
FULLPIPE: Remove C* prefixes in utils.cpp
FULLPIPE: Remove C* prefixes from interaction classes
FULLPIPE: Remove C* prefix from input classes
FULLPIPE: Remove C* prefix from inventory classes
FULLPIPE: CPtrList -> PtrList
FULLPIPE: CStepArray -> StepArray
FULLPIPE: Rename C* modal objects
FULLPIPE: CObjstateCommand -> ObjStateCommand
FULLPIPE: CGameVar -> GameVar
FULLPIPE: CGameLoader -> GameLoader