title: Define pyqt4 signals with a list as argument
body: <p>According to </p>
  
  <p><a href="http://pyqt.sourceforge.net/Docs/PyQt4/new_style_signals_slots.html" rel="noreferrer">http://pyqt.sourceforge.net/Docs/PyQt4/new_style_signals_slots.html</a></p>
  
  <p>I can define a pyqt4-signal with takes an integer argument by  <code>mysignal = pyqtSignal(int)</code>. How can I define a signal which takes an integer and a list of strings or more generally of an object called <code>myobject</code> as argument.</p>