title: UIDatePicker and UIPickerView not working
body: <p>However I set up a <code>UIDatePicker</code> or a <code>UIPickerView</code> inside an existing project, they don't work, they don't react to touch. I've even moved the whole <code>UIViewController</code> to another project and it works in that project.</p>
  
  <p>Any clue would be really appreciated.</p>
  
  <p><strong>EDIT:</strong>
  I found it was a category on <code>UITableViewCell</code> what broke the <code>UIDatePicker</code>.</p>