v0.4.21

What's Changed

Fixes

• 🐛 Backport SequenceSet bugfixes to v0.4 by @nevans in #461
  • Backports 🐛 Fix SequenceSet#slice with range (start...0) by @nevans in #456
  • Backports 🐛 Fix inconsistently frozen SequenceSet#[] result by @nevans in #458
  • Backports 🐛 Fix SequenceSet#xor crash when set is frozen by @nevans in #457
  • Backports 🐛 Fix SequenceSet#slice when length > result size by @nevans in #459

Miscellaneous

• ✅ Backport SequenceSet tests to 0.4 by @nevans in #466
  • Backports #464

Full Changelog: v0.4.20...v0.4.21