Added a PropertyHelper test suite: int, float and double testing for now
Added a PropertyHelper test suite: int, float and double testing for now

arkana-fts/cegui,cbeck88/cegui-mirror,RealityFactory/CEGUI,RealityFactory/CEGUI,RealityFactory/CEGUI,cbeck88/cegui-mirror,arkana-fts/cegui,cbeck88/cegui-mirror,arkana-fts/cegui,arkana-fts/cegui,arkana-fts/cegui,RealityFactory/CEGUI,cbeck88/cegui-mirror,RealityFactory/CEGUI,cbeck88/cegui-mirror