Notice: Undefined offset: 1 in ajaxify_regions_ajax_handler()

line 57 of sites/all/modules/ajaxify_regions/ajaxify_regions.module
This fixes it

    foreach ($ajax_blocks as $block) {
      $parts = explode("-",$block,2);
      if (!isset($parts[1])) {
        continue;
      }
      $blocks_content = module_invoke($parts[0], 'block', 'view', $parts[1]);
      $content[$block] = $blocks_content;
    }