DragonByte User Upgrade Coupons 1.0.1

Change log

Change: Old upgrade price is now a CSS class for easier customisation
Fix: Fixed a server error that could occur if a user upgrade was purchased without a coupon
Fix: Fix a server error when renewing a user upgrade

Release notes

This version improves customisation options by making the "previous price" display a CSS class rather than in-line CSS, so it's easier to customise with new colours and whatnot.

A couple reported bugs have also been fixed.