CoreObject now has three types of events for communition purposes. These are used by the methods signalReceiver/Giver. exitAssignedToReceiveris no more Boolean but holds the receiver the exit is currently assigned to

Router may assign the same candidateReceiver to candidateOperators, the sorting rule of the Queues prevail

new flag added to Router, used to check if the Router should sort the operators and the pendingEntities

canAcceptEntity (checks if can accept specific entity) and haveToDisposeEntity (returns the entity that the object will dispose) methods added to CoreObject