v0.2.0

What's Changed

• Add Tetris piece-randomizer ε-machines by @Autoplectic in #8
• Add co-lexicographic (Wheeler) ordering by @Autoplectic in #9
• Untrack .DS_Store and ignore it by @Autoplectic in #11
• Fix átomaton construction and decide reverse ε-machine finiteness by @Autoplectic in #12

Full Changelog: v0.1.0...v0.2.0