modified:   Cell.cpp
	modified:   Cell.h
	new file:   CellManager.cpp
	new file:   CellManager.h
	new file:   ClassRoom.cpp
	new file:   ClassRoom.h
	modified:   Floor.cpp
	modified:   Floor.h
	new file:   Human.cpp
	new file:   Human.h
	new file:   HumanManager.cpp
	new file:   HumanManager.h
	new file:   Singleton.h
	new file:   Utilities.cpp
	new file:   Utilities.h
	new file:   commantypes.h
	new file:   defines.h
	modified:   main.cpp