Fall back to split on spaces if unterminated quote error

command-manager.go

@@ -90,9 +90,13 @@ func (c *CommandManager) OnMessage(session *discordgo.Session, m *discordgo.Mess
 
 	guild, _ := session.Guild(m.GuildID)
 
+	var cmd []string
 	// If we found our prefix then remove it and split the command into pieces
-	cmd, err := shellquote.Split(strings.TrimPrefix(content, prefix))
+	cmd, err = shellquote.Split(strings.TrimPrefix(content, prefix))
 	if err != nil {
+		if err.Error() == "Unterminated double-quoted string" || err.Error() == "Unterminated single-quoted string" {
+			cmd = strings.Split(strings.TrimPrefix(content, prefix), " ")
+		} else {
 			ctx := Context{
 				Session:      session,
 				Channel:      channel,
@@ -110,6 +114,7 @@ func (c *CommandManager) OnMessage(session *discordgo.Session, m *discordgo.Mess
 			}
 			return
 		}
+	}
 
 	var command *Command
 	invoked := cmd[0]