public function versions()
    {
        $Plugin = new BasePlugin;

        $plugins['me_cms'] = trim(file_get_contents($Plugin->path('MeCms', 'version')));

        foreach ($Plugin->all(['exclude' => 'MeCms']) as $plugin) {
            $file = $Plugin->path($plugin, 'version', true);
            $plugins['others'][$plugin] = __d('me_cms', 'n.a.');

            if ($file) {
                $plugins['others'][$plugin] = trim(file_get_contents($file));
            }
        }

        return $plugins;
    }