public function get($name = null, $default = null)
    {
        $context = $this->_context;

        if (!$context->started) {
            $this->_start();
        }

        if ($name === null) {
            return $context->_SESSION;
        } elseif (isset($context->_SESSION[$name])) {
            return $context->_SESSION[$name];
        } else {
            return $default;
        }
    }