Removed: the ability to load image by it's original name, because it isn't needed.
Added: processing of Tiled program output.
First we load Tiled produced JSON, than all images which been specified in it.
Once we done with it we call a callback.
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Need refactoring.
Minor refactoring: removed unnecessary (at least for now) map, used simple object instead.
Implemented method for drowning Tile by it's coordinates.
Need write tests.
Fixed bugs about height and width mix.
Added: method drawEntireWorld for drawing all iages in all layers.