Ignore all messages by the bot

DeukBot4/MessageHandlers/MainHandler.cs

@@ -8,6 +8,10 @@ namespace DeukBot4.MessageHandlers
     {
         public static async Task HandleMessage(SocketMessage message)
         {
+            if (message.Author.Id == Program.Client.CurrentUser.Id)
+            {
+                return;
+            }
             try
             {
                 await CommandHandler.CommandHandler.HandleMessage(message);