Fix and improve broken and bad code.

Improve command handler, fixed message logging, fixes potential prefix problem, other small changes

src/commands/new.js

@@ -17,7 +17,8 @@ module.exports = class NewCommand extends Command {
 				{
 					name: i18n('commands.new.args.topic.name'),
 					description: i18n('commands.new.args.topic.description'),
-					required: false,
+					example: i18n('commands.new.args.topic.example'),
+					required: true,
 				}
 			]
 		});