public function __construct(array $config = array()) {
		$defaults = array(
			'params'   => array(),
			'template' => '/',
			'pattern'  => '',
			'match'    => array(),
			'meta'     => array(),
			'defaults' => array(),
			'keys'     => array(),
			'persist'  => array(),
			'handler'  => null,
			'continue' => false,
			'formatters' => array(),
			'unicode'  => true
		);
		parent::__construct($config + $defaults);
	}