Progress on tutorial, gap tweaking (water flows faster from room to room), UPnP error messages, input keys in array, underwater aiming tweaking, tons of misc stuff commit more often ffs

Lidgren.Network/NetSenderChannelBase.cs

@@ -0,0 +1,19 @@
+using System;
+
+namespace Lidgren.Network
+{
+	internal abstract class NetSenderChannelBase
+	{
+		// access this directly to queue things in this channel
+		internal NetQueue<NetOutgoingMessage> m_queuedSends;
+
+		internal abstract int WindowSize { get; }
+
+		internal abstract int GetAllowedSends();
+
+		internal abstract NetSendResult Enqueue(NetOutgoingMessage message);
+		internal abstract void SendQueuedMessages(float now);
+		internal abstract void Reset();
+		internal abstract void ReceiveAcknowledge(float now, int sequenceNumber);
+	}
+}