code: def newline_label(self, name, internal=False, definition=False):
          
          self.newline_text(self.label("{0}{1}{2}".format("@" if internal else "", name, ":" if definition else "")))
docs: Inserts a newline and a label (helper function)
             name - label name
             internal - boolean value, adds "@" prefix to label
             definition - boolean value, adds ":" suffix to label