public static function listy($items, $attribs = array(), $type = 'ul')
    {
        if (!Arr::iterable($items)) {
            return '';
        }
        
        $htmls = array();
        $htmls[] = '<' . $type . self::attribs($attribs) . '>';
        foreach ($items as $item) {
            $htmls[] = '<li>' . $item . '</li>';
        }
        $htmls[] = '</' . $type . '>';
        return join("\n", $htmls);
    }