Update ItemNode.h
Update ItemNode.cpp
Update Animation.h
Update Animation.cpp
Update Frame.cpp
Update Frame.h
Update Image.cpp
Update Image.h
Update LevelProperties.cpp
Update LevelProperties.h
Update Sprite.cpp
Update Sprite.h
Update TileLayer.cpp
Update TileLayer.h
Update LevelProperties.h
Update Exporter.h
Create JSONExporter.h
removed some outdated includes
merge resolution
merged in the exporter branch. removed sprite code