using realised in TBXML method for iterating elements for more readable code
change instance parseSheetXML method to class method
correct error log
implement creating sprites in character
divide structures to xml-like
refactor parseAnimationXML in conformity to new animation data structure
dealloc method added
start implement fillSpritesWithAnimationSet method. animation not work now
make animation work again
avoid compiler issues by adding an "_" prefix