fix formatting in em's command

commands.go

@@ -65,6 +65,7 @@ func dadJokeCommand(s *discordgo.Session, m *discordgo.MessageCreate) {
 
 func hiBubCommand(s *discordgo.Session, m *discordgo.MessageCreate) {
 	user := m.Author
-	hibub := "Hi " + user.Username + "it's Bub from the Hubbub, how are you?"
+	hibub := "Hi " + user.Username + " it's Bub from the Hubbub, how are you?"
+	log.Println(hibub)
 	s.ChannelMessageSend(m.ChannelID, hibub)
 }