title: adding a header to pyqt list
body: <p>i want to add a headers and index to a list in pyqt , it's really not important what list of QT (qlistwidget , qlistview , qtablewidget, qtreeview) 
  <br><br>
  in short .. i want something like the spin box delegate example in the pyqt demo ...
  but instead of the index in the column headers i want a strings ... </p>
  
  <p><br>
  <br>
  hope the idea is clear enough
  <br>
  thanx in advance</p>