hellabot.go
func (bot *Bot) WaitFor(filter func(*Message) bool) {
	for mes := range bot.Incoming {
		if filter(mes) {
			return
		}
	}
	return
}
func (bot *Bot) WaitFor(filter func(*Message) bool) {
	for mes := range bot.Incoming {
		if filter(mes) {
			return
		}
	}
	return
}
func ( bot * Bot ) WaitFor ( filter func ( * Message ) bool ) { for mes := range bot . Incoming { if filter ( mes ) { return } } return }
// WaitFor will block until a message matching the given filter is received
WaitFor will block until a message matching the given filter is received