Added Tiled's version info.
Expanded maps and added basic inventory support.
Don't try to cache the image if it's unspecified (e.g. for image-less items found in chest).
Setup of player's room and items.
Added James (NPC).
Added NPC roaming feature (as well as the ability to make them stand still).
Added Whitey (NPC).
Expanded player's starting world.
Persists game progress (current session only).