/** Add an assignment to a specific client for processing. */
 public void addAssignment(int ClientID, Assignment a) throws Exception {
   try {
     editor.addAssignment(ClientID, a);
   } catch (Exception e) {
     throw (e);
   }
 }
 /** Add an assignment to the Editor for processing. */
 public void addAssignment(Assignment a) throws Exception {
   try {
     editor.addAssignment(a);
   } catch (Exception e) {
     throw (e);
   }
 }