SHA-1: d2bc579b4bc271ff847ae4e1032b3f700a8a4b05

* add count parameter to drawTiles to match the openfl implementation
https://github.com/openfl/openfl/commit/039322a28dae5febb01b4c9892986e8495f00577
Merge pull request #1 from relaxguy/master

SHA-1: d2bc579b4bc271ff847ae4e1032b3f700a8a4b05