public static function wiki($page = 'home', $repo = null) {
		if (empty($repo)) {
			try {
				$plugin = Reveal::plugin(Reveal::path(true));
			} catch (Exception $e) {}

			if (empty($plugin)) {
				throw new Exception();
			}

			$repo = 'gourmet/' . strtolower($plugin);
		}
		return sprintf('https://github.com/%s/wiki/%s', $repo, $page);
	}