New Features
- Scan mods added to mods folder manually when clicking Edit Mods
- Remove mods from instance that are no longer in filesystem
- Show filename in context menu in Edit Mods dialog
Fixes
- Files downloaded with 0 size will (almost) never be valid
- When updating to a different MC version, show dialog about mods
- Don't recheck CurseForge for mod info when not needed on reinstall
- Do some null checking when checking for external pack updates
Misc
- Add more exclusions to error reporting