This update was originally planned to be a port of the jQuery code to vanilla Javascript in preparation for XF2.3, but it's been postponed until the next version to address some bug reports and perform some cleanups.
- Improve overall abstraction
- Improve overall reliability when upgrading from versions as old as 2.7.1
- Fix Call to undefined method apathy\StyleSuite\Setup::hasAddonInstalled() during the upgrade process
- Improve Siropu Chat 2 user tagging fix as it could cause the chat to stop working in certain instances
