Simpler Tile draw check
Removed old copyrights for rewritten code. Updated readme with note of rewrite.
Revert Base64 to its original form with full license
Better batch:add/addq backward compatiblity check
Added support for non-batch draw
Added _VERSION field to module table
Removed code noise
Deprecated function removed
Directly reference table of terrain type in tile.terrain
Added support for drawing tiles with individual images
TileLayer:
Removed getOrientation
Renamed resetOrientation to resetTileOrientation
Renamed orientation parameter to flipbits
Added Loader.load shortcut to module
Removed confusing parallax feature
Updated demo