Fix due to the added HttpServer

Example3/Program.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Configuration;
+using System.IO;
+using System.Text;
+using WebSocketSharp;
+using WebSocketSharp.Net;
+using WebSocketSharp.Server;
+
+namespace Example3
+{
+  public class Program
+  {
+    private static HttpServer<Echo> _httpsv;
+
+    public static void Main(string[] args)
+    {
+      _httpsv = new HttpServer<Echo>(4649);
+
+      _httpsv.OnResponse += (sender, e) =>
+      {
+        onResponse(e.Context);
+      };
+
+      _httpsv.OnError += (sender, e) =>
+      {
+        Console.WriteLine(e.Message);
+      };
+
+      _httpsv.Start();
+      Console.WriteLine("HTTP Server listening on port: {0}\n", _httpsv.Port);
+
+      Console.WriteLine("Press any key to stop server...");
+      Console.ReadLine();
+
+      _httpsv.Stop();       
+    }
+
+    private static byte[] getContent(string path)
+    {
+      if (path == "/")
+        path += "index.html";
+
+      return _httpsv.GetFile(path);
+    }
+
+    private static void onGet(HttpListenerRequest request, HttpListenerResponse response)
+    {
+      var content = getContent(request.RawUrl);
+      if (content != null)
+      {
+        response.WriteContent(content);
+        return;
+      }
+
+      response.StatusCode = (int)HttpStatusCode.NotFound;
+    }
+
+    private static void onResponse(HttpListenerContext context)
+    {
+      var req = context.Request;
+      var res = context.Response;
+
+      if (req.HttpMethod == "GET")
+      {
+        onGet(req, res);
+        return;
+      }
+
+      res.StatusCode = (int)HttpStatusCode.MethodNotAllowed;
+    }
+  }
+}