BREAKING CHANGE: NatIntroductionSuccess is now DISABLED by default; you must enable it using EnableMessageType

Added GarbageThrowerSample - a small library sample that sends random and semi-random data to detect problems
Made lots of changes that caused exceptions when malformed data was received

Samples/LibraryTestSamples/GarbageThrowerSample/Client/Program.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+
+using Lidgren.Network;
+using System.Threading;
+using System.Net;
+
+namespace Client
+{
+	class Program
+	{
+		static void Main(string[] args)
+		{
+			NetPeerConfiguration config = new NetPeerConfiguration("garbagethrower");
+			var client = new NetClient(config);
+
+			client.Start();
+
+			var target = new IPEndPoint(NetUtility.Resolve("localhost"), 14242);
+			var buffer = new byte[1024];
+			var rnd = new Random();
+
+			// use RawSend to throw poop at server
+			while(true)
+			{
+				rnd.NextBytes(buffer);
+				int length = rnd.Next(1, 1023);
+
+				switch (rnd.Next(2))
+				{
+					case 0:
+						// complete randomness
+						break;
+					case 1:
+						// semi-sensical
+						buffer[1] = 0; // not a fragment, sequence number 0
+						buffer[2] = 0; // not a fragment, sequence number 0
+						buffer[3] = (byte)length;			// correct payload length
+						buffer[4] = (byte)(length >> 8);	// correct payload length
+						break;
+				}
+
+				// fling teh poop
+				client.RawSend(buffer, 0, length, target);
+
+				Thread.Sleep(1);
+			}
+		}
+	}
+}