public static function toString( $nodeOrder )
	{
		// $oClass = new \ReflectionClass( "\lyquidity\XPath2\Token" );
		$oClass = new \ReflectionClass( __CLASS__ );
		foreach ( $oClass->getConstants() as $key => $value )
		{
			if ( $value == $nodeOrder ) return $key;
		}

		return chr( $nodeOrder + 65 );
	}