* @param action - unique identifier for the event culler to add (displayName())
* @return - a reference to the added event culler
* @throws Exception - if the EventCuller cannot be found or cannor be instanced
*/
public EventCuller addEventCuller(String action) throws Exception {
EventCuller eventCuller = EventCullers.getEventCuller(action);
eventCullers.add(eventCuller);
for(EventDriver eventDriver : eventDrivers) {
addEventCuller(eventCuller, eventDriver);
}
return eventCuller;