Errors are shown publicly

[ghost]

Parsing errors are shown publicly, which is kinda odd considering that "command not found", which undoubtably is thrown more frequent, is only logged.

I believe these lines are at fault, https://github.com/go-chat-bot/bot/blob/master/bot.go#L183-L187

Patch attached:

Index: bot.go
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- bot.go	(revision 3da6cae4547763aa55828a9f75ed4693bed5d36f)
+++ bot.go	(date 1574671039000)
@@ -180,11 +180,7 @@
 func (b *Bot) MessageReceived(channel *ChannelData, message *Message, sender *User) {
 	command, err := parse(message, channel, sender)
 	if err != nil {
-		b.SendMessage(OutgoingMessage{
-			Target:  channel.Channel,
-			Message: err.Error(),
-			Sender:  sender,
-		})
+		log.Fatalf("Error: %v, Channel: %v, Sender: %v", channel.Channel, err.Error(), sender.ID)
 		return
 	}