Depends on https://github.com/ppy/osu-framework/pull/837
- Supersedes https://github.com/ppy/osu/pull/926. - [ ] Depends on https://github.com/ppy/osu-framework/pull/817.
"Never repeat" will not repeat until all songs have been seen by repeatedly pressing F2/Random button
# Conflicts: # osu.Game.Rulesets.Mania/UI/Column.cs