def error(message, level="error", exit_code=1, **kwargs):
    kwargs["fg"] = kwargs.get("fg", "red")
    click.secho(u"error: {}".format(message), **kwargs)
    sys.exit(exit_code)
def start_date(self):
        """ Returns a date object of the todo's start date. """
        return self.get_date(config().tag_start())