Renamed Map to TmxMapData to avoid clash with haxe.Map<>
Fixed the check for visible.
Added static var patternsPath to set the folder prefix in where maps and tilesets reside.
Fixed width and height that are not set in Tiled when Object is Tile image.
Fixed: when object hast tile association width/height are not set by Tiled

Fixed 'y': Tiled uses wrong row number when object has tile association.
Added autoloading of tile image when set has its image loaded.
Fixed type when object hast tile association (can be set in tile)
Added Polygon to masks.
New class for auto creation of tile mask.
Added TmxTileMap wich is a simple TileMap but supports offset.
Added Offset.

Added autoLoadImage.
Added loading of external tileset (need to configure the assets prefix in TmxMap)
Added parsing of object collisions that can be set up in Tiled "Tile Collision editor".
Added image autoloading.
Fixed getRect, was returning 0 width/height.
Added 'loadGraphics', function to autoload all tileset graphics in specified layers and, optionally, collision info to generate masks.