Added tests for ArrayIterator
Added tests for ObjectIterator
Added tests for ObjectIterator
Added method SetCurrentIndexByPercent for ArrayIterator, also added tests for it
Added method SetCurrentIndexByPercent for ObjectIterator, also added tests for it
Added or forced to work next UI elements: color of max, color of min, value of max, repeat, play, stop, go to begin
Change UI name GoToBegin to Go to begin