 router["reverse", .slashRequired] = controller.reverseText
 router["word_reverse"] = controller.reverseWords
 // Default handler
-router.unknownCommand = controller.reverseText
+router.unmatched = controller.reverseText
 // If command has unprocessed arguments, report them:
 router.partialMatch = controller.partialMatchHandler
 

    }
    
    func reverseWords(context: Context) -> Bool {
		guard started(in: context.chatId) else { return false }
		
        let words = context.args.scanWords()
        switch words.isEmpty {

    }
    
	func stop(context: Context) -> Bool {
        guard let chatId = context.chatId else { return false }

        guard started(in: chatId) else {
            context.respondAsync("@\(bot.username) already stopped.")
            return true
        }
		startedInChatId.remove(chatId)
		
        context.respondSync("@\(bot.username) stopped. To restart, type /start")
		return true
    }
    
	func help(context: Context) -> Bool {
		guard let from = context.message?.from else { return false }
        let helpText = "What can this bot do?\n" +
            "\n" +
            "This is a sample bot which reverses sentences or words. " +
