[Swarm-Support] Null pointer exception in call to controlPanel

[Steve Railsback]

OK, here is my next problem. The setStateQuit statement in this method 
(which is in my GUISwarm) causes a Java null pointer exception.

          public void checkWhetherToStop () {
                  if (stupidModelSwarm.checkToStop() == true) {
                          controlPanel.setStateQuit();
                  }
                  return;



(Another interesting issue is that if this method is called 
"checkToStop" instead of "checkWhetherToStop" it raises this warning and 
is then ignored:
        Exception in check to stop actions : null

And...I have a method called checkToStop in the model swarm that causes 
no problems.)

Steve

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