Fix json web requests having incorrect user agents
Fix user agent missing in registration request
Fix tooltip capitalization
Implement exporting beatmap package as .osz
Implement editor beatmap saving
Allow changing volume in song select with arrow keys when pressing alt
Taken from OsuScrollContainer
Add looping animation to slider reverse arrows
Implement CountryFilter component for RankingsOverlay
Add support for --sdl command line arg
Remove duplicate condition in TournamentFont