code: def duplicateActiveLayer(self):
  		
  		activeLayer = self.layers[self.activeLayer]
  		newLayer = Layer(data=activeLayer.data, effect=activeLayer.effect)
  		self.layers.append(newLayer)
  		self.activeLayer = len(self.layers)-1
docs: Duplicates the current active :py:class:`Layer`.
  		
  		:rtype: Nothing.