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/Documentation/PacketLayout.txt

@@ -0,0 +1,17 @@
+
+PER MESSAGE:
+7 bits - NetMessageType
+1 bit - Is a message fragment?
+
+[8 bits NetMessageLibraryType, if NetMessageType == Library]
+
+[16 bits sequence number, if NetMessageType >= UserSequenced]
+
+8/16 bits - Payload length in bits (variable size ushort)
+
+[16 bits fragments group id, if fragmented]
+[16 bits fragments total count, if fragmented]
+[16 bits fragment number, if fragmented]
+
+[x - Payload] if length > 0
+