function changePassword($newPassword) {
            $db = Loader::db();
            if ($this->uID) {
                $v = array(User::encryptPassword($newPassword), $this->uID);
                $q = "update Users set uPassword = ? where uID = ?";
                $r = $db->prepare($q);
                $res = $db->execute($r, $v);
                Events::fire('on_user_change_password', $this, $newPassword);
                return $res;
            }
        }
        public function encryptPassword($uPassword, $salt = PASSWORD_SALT) {
            return md5($uPassword . ':' . $salt);
        }