Enable saving next step handlers (by default saving disable)

        :param delay: Delay between changes in handlers and saving
        :param filename: Filename of save file

def enable_save_next_step_handlers(self, delay=120, filename="./.handler-saves/step.save"):
        """
        Enable saving next step handlers (by default saving disable)

        :param delay: Delay between changes in handlers and saving
        :param filename: Filename of save file
        """
        self.next_step_saver = Saver(self.next_step_handlers, filename, delay)