Allow resizing of screen. Patch for FlashPunk Screen.as -- This is NOT the entire Screen.as, just a patch

Screen.as

// Screen.as PATCH Richard Marks <ccpsceo@gmail.com> - Jan 07, 2011
/**
 * resizes the screen - updates FP dimension variables
 * you should not do this a lot, there will be lag.
 * @param	width new width of the screen
 * @param	height new height of the screen
 */
public function resize(width:uint, height:uint):void
{
	// tell FP the screen size has changed
	FP.width = width;
	FP.height = height;
	
	// remove the old screen bitmap buffers
	_sprite.removeChild(_bitmap[0]);
	_sprite.removeChild(_bitmap[1]);
	
	// create new bitmap buffers
	_bitmap[0] = new Bitmap(new BitmapData(FP.width, FP.height, false, 0), PixelSnapping.NEVER);
	_bitmap[1] = new Bitmap(new BitmapData(FP.width, FP.height, false, 0), PixelSnapping.NEVER);
	
	// add the new bitmap buffers 
	_sprite.addChild(_bitmap[0]).visible = true;
	_sprite.addChild(_bitmap[1]).visible = false;
	
	// tell FP to look at the new bitmap buffer
	FP.buffer = _bitmap[0].bitmapData;
	
	// inform FP and the screen class about the size change
	_width = FP.bounds.width = FP.width;
	_height = FP.bounds.height = FP.height;
	
	// update
	update();
}