public function addPath($title, $url=NULL) {
		
		$path			= new \stdClass();
		$path->title	= $title;
		$path->url		= $url;
		$path->active	= TRUE;

		// just last active path will remains active
		foreach ($this->paths as $p) {
			$p->active = FALSE;
		}
		
		$this->paths[]	= $path;
		
		return $this;
	
	}