whole_func_string: function(verb, path) {
        var ret = this.error(['404 Not Found', verb, path].join(' '));
        return (verb === 'get') ? ret : true;
      }
func_code_string: function(verb, path) {
        var ret = this.error(['404 Not Found', verb, path].join(' '));
        return (verb === 'get') ? ret : true;
      }
func_documentation_string: This thows a '404 Not Found' error by invoking `error()`. Override this method or `error()` to provide custom 404 behavior (i.e redirecting to / or showing a warning)