code: public boolean getWorkModified(List<TimephasedWork> list)
     {
        boolean result = false;
        for (TimephasedWork assignment : list)
        {
           result = assignment.getModified();
           if (result)
           {
              break;
           }
        }
        return result;
     }
docs: Test the list of TimephasedWork instances to see
  if any of them have been modified.
  
  @param list list of TimephasedWork instances
  @return boolean flag