/** constructor */
function __construct () {
global $wpdb;
// Vars
self::$attribute_taxonomies = $wpdb->get_results("SELECT * FROM ".$wpdb->prefix."jigoshop_attribute_taxonomies;");
if (isset($_SESSION['errors'])) self::$errors = $_SESSION['errors'];
if (isset($_SESSION['messages'])) self::$messages = $_SESSION['messages'];
unset($_SESSION['messages']);
unset($_SESSION['errors']);
// Hooks
add_filter('wp_redirect', array(&$this, 'redirect'), 1, 2);
}