public function register($method, $args, $action)
    {
        $args   = $this->replaceWildcards($args);
        $method = strtolower($method);
        if (! isset($this->always[$method])) {
            $this->always[$method] = new SimpleSignatureMap();
        }
        $this->always[$method]->add($args, $action);
    }