docs: function Plugin(options) {
      return this.each(function () {
        var $navigation;
        var $this = $(this);
        var data = $this.data('bui.sortableTable');
  
        if (!data) {
          $navigation = options && 'navigation' in options && options.navigation ?
              $(options.navigation) : false;
          data = new SortableTable($this, $navigation);
          $this.data('bui.sortableTable', data);
        }
  
        data.sort(options['sorted-th'], options['sort-direction']);
      });
    }