title: Split empty string should return empty array
body: <p>If I use</p>
  
  <pre><code>''.split(',')
  </code></pre>
  
  <p>I get <code>['']</code> instead of an empty array <code>[]</code>.</p>
  
  <p>How do I make sure that an empty string always returns me an empty array?</p>