Receiver

- Calling `end()` will now wait for the receiver's thread to stop

Sender

- Calling `end()` will now wait for the sender's thread to stop

source/birchwood/client/receiver.d

@@ -244,5 +244,8 @@ public final class ReceiverThread : Thread
         // TODO: See above notes about libsnooze behaviour due
         // ... to usage in our context
         receiveEvent.notifyAll();
+
+        // Wait on the manager thread to end
+        join();
     }
 }

source/birchwood/client/sender.d

@@ -149,5 +149,8 @@ public final class SenderThread : Thread
         // TODO: See above notes about libsnooze behaviour due
         // ... to usage in our context
         sendEvent.notifyAll();
+
+        // Wait on the manager thread to end
+        join();
     }
 }