Pgx

What's Changed
* [2048] Add observation by OkanoShinri in https://github.com/sotetsuk/pgx/pull/607
* [Shogi] Fix horse/dragon bug by sotetsuk in https://github.com/sotetsuk/pgx/pull/610
* [2048] Fix test file name by sotetsuk in https://github.com/sotetsuk/pgx/pull/612
* [Shogi] Fix pinned piece bug by sotetsuk in https://github.com/sotetsuk/pgx/pull/613


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.1.4...v0.1.5

What's Changed
* [Shogi] Add comment on action and observation shape by sotetsuk in https://github.com/sotetsuk/pgx/pull/598
* [Docs] Update README by sotetsuk in https://github.com/sotetsuk/pgx/pull/599
* [2048] Add `State` and `Env` by OkanoShinri in https://github.com/sotetsuk/pgx/pull/590
* [Shogi] Simplify implementation by removing cache by sotetsuk in https://github.com/sotetsuk/pgx/pull/601
* [Shogi] Fix promotion bug by sotetsuk in https://github.com/sotetsuk/pgx/pull/602
* [2048] Add `2048` Env by OkanoShinri in https://github.com/sotetsuk/pgx/pull/600
* [2048] Rename to `play2048` by OkanoShinri in https://github.com/sotetsuk/pgx/pull/604
* [2048, Visualizer] Add 2048-Visualizer by OkanoShinri in https://github.com/sotetsuk/pgx/pull/605
* [2048] Add `2048` to `EnvId` by OkanoShinri in https://github.com/sotetsuk/pgx/pull/606
* [Shogi] Fix suicide move bug by sotetsuk in https://github.com/sotetsuk/pgx/pull/603
* [Docs] Add 2048 by sotetsuk in https://github.com/sotetsuk/pgx/pull/609


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.1.3...v0.1.4

What's Changed
* [Go] Make funcs internal by sotetsuk in https://github.com/sotetsuk/pgx/pull/556
* [Shogi] Make funcs internal by sotetsuk in https://github.com/sotetsuk/pgx/pull/557
* [SparrowMahjong] Rename to `sparrow_mahjong` by sotetsuk in https://github.com/sotetsuk/pgx/pull/560
* [SparrowMahjong] Surpass warnings by sotetsuk in https://github.com/sotetsuk/pgx/pull/562
* [SparrowMahjong] Add `SparrowMahjong` env by sotetsuk in https://github.com/sotetsuk/pgx/pull/563
* [SparrowMahjong] Add to EnvId by sotetsuk in https://github.com/sotetsuk/pgx/pull/564
* [AnimalShogi] Make private by sotetsuk in https://github.com/sotetsuk/pgx/pull/568
* [Docs] Fix Othello link by sotetsuk in https://github.com/sotetsuk/pgx/pull/569
* [MinAtar] Add `MinAtarBreakout` Env by sotetsuk in https://github.com/sotetsuk/pgx/pull/571
* [MinAtar] Refactor Asterix by sotetsuk in https://github.com/sotetsuk/pgx/pull/570
* [MinAtar] Add `MinAtarFreeway` Env by sotetsuk in https://github.com/sotetsuk/pgx/pull/573
* [MinAtar] Fix breakout init by sotetsuk in https://github.com/sotetsuk/pgx/pull/574
* [MinAtar] Add `MinAtarSpaceInvaders` Env by sotetsuk in https://github.com/sotetsuk/pgx/pull/575
* [MinAtar] Surpass warnings in Seaquest by sotetsuk in https://github.com/sotetsuk/pgx/pull/576
* [MinAtar] Add `MinAtarSeaquest` env by sotetsuk in https://github.com/sotetsuk/pgx/pull/577
* [MinAtar] Fix Seaquest bug by sotetsuk in https://github.com/sotetsuk/pgx/pull/579
* [Test] Add API tests by sotetsuk in https://github.com/sotetsuk/pgx/pull/580
* [API] Add batch random play test by sotetsuk in https://github.com/sotetsuk/pgx/pull/581
* [API] Enhance API tests by sotetsuk in https://github.com/sotetsuk/pgx/pull/582
* [Othello] Add `Othello` env by OkanoShinri in https://github.com/sotetsuk/pgx/pull/565
* [Othello] Add observation by OkanoShinri in https://github.com/sotetsuk/pgx/pull/584
* [Othello] Add `othello` to `EnvId` by OkanoShinri in https://github.com/sotetsuk/pgx/pull/585
* [Othello, Visualizer] Fix bug by OkanoShinri in https://github.com/sotetsuk/pgx/pull/586
* [API] Make step count internal by sotetsuk in https://github.com/sotetsuk/pgx/pull/583
* [Refactor] Tidy by sotetsuk in https://github.com/sotetsuk/pgx/pull/589
* [Docs] Add notice on flax codes by sotetsuk in https://github.com/sotetsuk/pgx/pull/591
* [Refactor] Fix observation shape in state by sotetsuk in https://github.com/sotetsuk/pgx/pull/596


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.1.2...v0.1.3

What's Changed
* [API] Add available games by sotetsuk in https://github.com/sotetsuk/pgx/pull/546
* [TicTacToe] Make funcs internal by sotetsuk in https://github.com/sotetsuk/pgx/pull/547
* [Hex] Make funcs internal by sotetsuk in https://github.com/sotetsuk/pgx/pull/548
* [Visualizer] Remove `test_visualizer.py` by sotetsuk in https://github.com/sotetsuk/pgx/pull/549
* [ConnectFour] Add observation by sotetsuk in https://github.com/sotetsuk/pgx/pull/550
* [ConnectFour] Make funcs internal by sotetsuk in https://github.com/sotetsuk/pgx/pull/551
* [ConnectFour] Add `connect_four` to EnvIds by sotetsuk in https://github.com/sotetsuk/pgx/pull/552
* [ConnectFour, Visualizer] Fix bug by sotetsuk in https://github.com/sotetsuk/pgx/pull/553
* [Backgammon] Make funcs internal by sotetsuk in https://github.com/sotetsuk/pgx/pull/554


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.1.1...v0.1.2

What's Changed
* [Docs] Add rlax by sotetsuk in https://github.com/sotetsuk/pgx/pull/541
* [Misc] Add test script and update benchmark script by sotetsuk in https://github.com/sotetsuk/pgx/pull/543
* [Hex, Visualizer] Fix bug by sotetsuk in https://github.com/sotetsuk/pgx/pull/544


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.1.0...v0.1.1

What's Changed
* [Backgammon] Fix reward to zero-sum by nissymori in https://github.com/sotetsuk/pgx/pull/524
* [Backgammon] Update illegal action penalty by sotetsuk in https://github.com/sotetsuk/pgx/pull/526
* [Backgammon] Tidy illegal action penalty by sotetsuk in https://github.com/sotetsuk/pgx/pull/527
* [Visualizer] Tidy by sotetsuk in https://github.com/sotetsuk/pgx/pull/523
* [Refactor] Making some module internals by sotetsuk in https://github.com/sotetsuk/pgx/pull/528
* [Visualizer, Hex] Fix bug by sotetsuk in https://github.com/sotetsuk/pgx/pull/529
* [Tidy] Rename `validate` to `test_api` by sotetsuk in https://github.com/sotetsuk/pgx/pull/530
* [Tidy] Make games under construction internals by sotetsuk in https://github.com/sotetsuk/pgx/pull/531
* [Bug] Fix bug in `test_api` by sotetsuk in https://github.com/sotetsuk/pgx/pull/532
* [Bug] Rename `test_api` to `api_test` by sotetsuk in https://github.com/sotetsuk/pgx/pull/533
* [API] Add `api_test` to public api by sotetsuk in https://github.com/sotetsuk/pgx/pull/535
* [API] Add `set_visualization_config` to public API by sotetsuk in https://github.com/sotetsuk/pgx/pull/536
* [API] Update `EnvId` by sotetsuk in https://github.com/sotetsuk/pgx/pull/538
* [Docs] Tidy documents and hide random scripts by sotetsuk in https://github.com/sotetsuk/pgx/pull/539


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.0.26...v0.1.0