/**
     * Defer unhandled methods to the current page
     */
    public function __call($method, $args)
    {
        // get the current page class name.
        // via Reflection, locate the method to be called
        // via Reflection, invoke it so it can receive a standard argument list
        try {
            $currentPage = $this->getCurrentPage();
            $cl = new ReflectionClass($currentPage);
            $meth = $cl->getMethod($method);
            return $meth->invokeArgs($currentPage, $args);
        } catch (ReflectionException $e) {
            $msg = "Method $method does not exist in class '" . self::class . "'";
            if (isset($cl)) {
                $msg = $msg . ", or in class '" . $cl->getName() . "'";
            } else {
                $msg = $msg . "; There is NO current page object to use to attempt execution.";
            }
            throw new Exception($msg, null, $e);
        }
    }