wip: receive messages

Author: MikeDobrzan

src/Api/PubnubApi/EventEngine/Subscribe/Effects/ReceivingEffectHandler.cs

@@ -67,7 +67,7 @@ public async Task Run(ReceiveMessagesInvocation invocation)
                     break;
                 case { }:
                     //TODO: get messages
-                    List<PNMessageResult<object>> listOfMessages = null;
+                    ReceivingResponse<string> listOfMessages = null;
                     eventQueue.Enqueue(new Events.ReceiveSuccessEvent() { Cursor = response.Item1, Messages= listOfMessages, Status = response.Item2 });
                     break;
             }

src/Api/PubnubApi/EventEngine/Subscribe/Events/SubscriptionEvents.cs

@@ -42,7 +42,7 @@ public class HandshakeReconnectGiveUpEvent : Core.IEvent {
 	public class ReceiveSuccessEvent : Core.IEvent {
 		public IEnumerable<string> Channels;
 		public IEnumerable<string> ChannelGroups;
-		public List<PNMessageResult<object>> Messages;
+		public ReceivingResponse<string> Messages;
 		public SubscriptionCursor Cursor;
 		public PNStatus Status;
 	}