Adding base_router_test.dart.
Changing dependency from Transferables to transferables.
Initialized StreamController.
Adding case for Route.ANY and did minor refactoring.
Swap index.
Using method toSet() on local var 'strings'.
Minor refactoring, change local var name, from 'request' to 'transferables'.
Adding mock.dart containing MockTransferables.
Adding route_test.dart.
Adding router_test.dart.