public override void populateSensors()
        {
            base.populateSensors();

            //Adds the pieSlice sensor to the robot
            pieSliceSensor = new PieSliceSensorArray(this);
        }
 /*
  * Schrum: Adding the if statement seems to fix this method so that it works
  * with both Dangerous Foraging and Two Rooms experiments. Need to keep an eye on
  * it though.
  */ 
 // Schrum: Added so pie-slice sensors would be initialized even with specialized number of rangefinders
 public override void populateSensors(int numRangeFinders)
 {
     //Console.WriteLine("numRangeFinders:" + numRangeFinders);
     base.populateSensors(numRangeFinders);
     //Console.WriteLine("before: " + pieSliceSensor);
     
     //This code only seems to be needed for Dangerous Foraging, which
     // has no range finders.
     if (numRangeFinders == 0) 
         pieSliceSensor = new PieSliceSensorArray(this);
     //Console.WriteLine("after: " + pieSliceSensor);
 }