title: Splitting a list into other lists if a full stop is found
body: <p>Given this list:</p>
  <pre><code>['Pythoners', 'are', 'very', 'intelligent', 'and', 'work', 'very', 'pythonly', '.', 'Now', 'they', 'are', 'pythoning', 'their', 'way', 'to', 'success', '.']
  </code></pre>
  <p>How could i return lists separated by a full stop? returning this:</p>
  <pre><code>['Pythoners', 'are', 'very', 'intelligent', 'and', 'work', 'very', 'pythonly', '.'][ 'Now', 'they', 'are', 'pythoning', 'their', 'way', 'to', 'success', '.']
  </code></pre>
  <p>Thanks for any help</p>