code: def addLine(self, line):
  		
  		if not isinstance(line, LiquidLine):
  			line = LiquidLine(line)
  		line.ndent = self.ndent
  		self.codes.append(line)
docs: Add a line of source to the code.
  		Indentation and newline will be added for you, don't provide them.
  		@params:
  			`line`: The line to add