Extended the TiledMap into TiledWorld.
Iterated through the map for tile properties.
Assembled something in tiled to load as our world.
Instantiated a hero to wander around the world.
Fixed the tiled to fit the new scale of the world.
Restricted the hero from leaving the world.
Relabelled all x and y for tiles into tx and ty.
Merge pull request #4 from arcym/master

Established some classes for loading the world.