[Modify] Polish it

Example/Program.cs

@@ -112,10 +112,13 @@ namespace Example
         //ws.ConnectAsync ();
 
         Console.WriteLine ("\nType 'exit' to exit.\n");
+
         while (true) {
           Thread.Sleep (1000);
           Console.Write ("> ");
+
           var msg = Console.ReadLine ();
+
           if (msg == "exit")
             break;