Fix HTML5 CopyPixels
Fix HTML5 CopyPixels

Using copyPixels were resulting in 

Uncaught TypeError: Cannot read property 'clearRect' of null ImageCanvasUtil.hx:102

Adding this line fix the problem
MinoGames/lime,openfl/lime,MinoGames/lime,MinoGames/lime,player-03/lime,fbricker/lime,openfl/lime,player-03/lime,fbricker/lime,fbricker/lime,madrazo/lime-1,openfl/lime,openfl/lime,player-03/lime,madrazo/lime-1,madrazo/lime-1,fbricker/lime,MinoGames/lime,player-03/lime,fbricker/lime,MinoGames/lime,fbricker/lime,openfl/lime,player-03/lime,madrazo/lime-1,MinoGames/lime,player-03/lime,openfl/lime,madrazo/lime-1,fbricker/lime,openfl/lime,madrazo/lime-1,madrazo/lime-1,player-03/lime,MinoGames/lime