Outputs empty block instead of no block at all

When no content fits the "buzzworthy" criteria, the module outputs an empty block instead of no block at all. Specifically, it's adding an empty item-list div, which makes Drupal think the block should be displayed.

<div id="block-buzzworthy-0" class="block block-buzzworthy region-odd odd region-count-1 count-1">

      <h3 class="title">Buzzworthy</h3>
  
  <div class="content">
    <div class="item-list"></div>  </div>

  <div class="edit"><a href="/admin/build/block/configure/buzzworthy/0">[configure block]</a></div></div>

There probably needs to be a check to make sure there are items to be displayed before it's wrapped in an item-list div or sent to a list theming function (or both).