A variety of fixes and a change in the way errors are handled.

commands/textedit/say.js

@@ -12,6 +12,7 @@ module.exports = class SayCommand extends Command {
             group: 'textedit',
             memberName: 'say',
             description: 'Make XiaoBot say what you wish.',
+            guildOnly: true,
             args: [{
                 key: 'text',
                 prompt: 'What text would you like XiaoBot to say?',
@@ -21,7 +22,10 @@ module.exports = class SayCommand extends Command {
     }
 
     run(message, args) {
+        if (!message.channel.permissionsFor(this.client.user).hasPermission('MANAGE_MESSAGES'))
+            return message.say('This Command requires the `Manage Messages` Permission.');
         const { text } = args;
+        message.delete();
         return message.say(`\u180E${text}`);
     }
 };