Greasy Fork镜像

- Make some things private

- Fix for the fix of the fix

- Fix for the fix

- Fixes

- Throw error if version is undefined

- Prevent name collisions
- Restore custom added icons across turbo loads

- Fix turbo:load run context

Potential versioning fixes

- Fix for adding custom icons without 3rd parameter

- Fix version num

- Add check-unchecked
- Improve some code, allow specifying both width and height for custom icons

- Fix turbo event

- Potential fix for lessons page not loading icons

- Fixes for sound icons

- Add sound-on and sound-off icons
- Change "exclamation" to "warning"

Bugfix, change export > download

Version control

- Improve ordering, add couple of icons

Add necessary CSS

Expose class