big help upgrades

- short descriptions for command list
  - argument descriptions
  - render argument list on detailed help page

commands/message/utils/qr.js

@@ -12,6 +12,7 @@ module.exports = {
   aliases: ['scan'],
   metadata: {
     description: 'Generates a QR code. If no input is provided acts as a QR code scanner.',
+    description_short: 'QR Code Scanner/Creator',
     examples: ['qr big nutty'],
     category: 'utils',
     usage: `qr <contents>`