Pgx

What's Changed
* [Backgammon] Refactor to use `replace` by nissymori in https://github.com/sotetsuk/pgx/pull/420
* [ConnectFour, Othello] Add boards by sotetsuk in https://github.com/sotetsuk/pgx/pull/429
* [Visualizer] Split long function by OkanoShinri in https://github.com/sotetsuk/pgx/pull/430
* [Visualizer] Visualize `State` in Notebook by OkanoShinri in https://github.com/sotetsuk/pgx/pull/431
* [BridgeBidding] Add _reward by harukaki in https://github.com/sotetsuk/pgx/pull/362
* [BridgeBidding] rename files by sotetsuk in https://github.com/sotetsuk/pgx/pull/434
* [BridgeBidding] remove `np.ones(1), np.zeros(1)` by harukaki in https://github.com/sotetsuk/pgx/pull/436
* [Backgammon] Change turn representation from[-1, 1] to [0, 1] by nissymori in https://github.com/sotetsuk/pgx/pull/433
* [Visualizer] Fix batch visualization by OkanoShinri in https://github.com/sotetsuk/pgx/pull/437
* [Visualizer, Backgammon] Use `abs_board` by OkanoShinri in https://github.com/sotetsuk/pgx/pull/432
* [Visualizer, TicTacToe] Fix player symbols by OkanoShinri in https://github.com/sotetsuk/pgx/pull/440
* [Visualizer] Add Othello-Visualiser by OkanoShinri in https://github.com/sotetsuk/pgx/pull/441
* [Visualizer] Add ConnectFour-Visualizer by OkanoShinri in https://github.com/sotetsuk/pgx/pull/442
* [Visualizer] Minor modifications by OkanoShinri in https://github.com/sotetsuk/pgx/pull/445
* [Docs] Make `go.gif` smaller and explicit by sotetsuk in https://github.com/sotetsuk/pgx/pull/446
* [Docs] Add logo by sotetsuk in https://github.com/sotetsuk/pgx/pull/447
* [Visualizer, Connect Four] Add horizontal line by OkanoShinri in https://github.com/sotetsuk/pgx/pull/452
* [Visualizer, Bridge] make visualizer flexible by OkanoShinri in https://github.com/sotetsuk/pgx/pull/451
* [Go] add peculiar case by youyou-ku in https://github.com/sotetsuk/pgx/pull/453
* [Go] Add _count_point by youyou-ku in https://github.com/sotetsuk/pgx/pull/455
* [Hex] Add State by OkanoShinri in https://github.com/sotetsuk/pgx/pull/456
* [BridgeBidding] Reimplementation in jax by harukaki in https://github.com/sotetsuk/pgx/pull/449
* [Visualizer, BridgeBidding] Fix test by sotetsuk in https://github.com/sotetsuk/pgx/pull/459
* [Docs] Update README by sotetsuk in https://github.com/sotetsuk/pgx/pull/460
* [Docs] Add LICENSE by sotetsuk in https://github.com/sotetsuk/pgx/pull/462
* [BridgeBidding] `state`: Inherits `core.state`, `init` `step`: match return values to other games by harukaki in https://github.com/sotetsuk/pgx/pull/458
* [BridgeBidding] Fix bridge visualizer test by sotetsuk in https://github.com/sotetsuk/pgx/pull/464
* [Go] Unite two `ren_id_board` into one by sotetsuk in https://github.com/sotetsuk/pgx/pull/369


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.0.19...v0.0.20

What's Changed
* Speed benchmark on OpenSpiel and PettingZoo by nissymori in https://github.com/sotetsuk/pgx/pull/394
* Add gif to README by sotetsuk in https://github.com/sotetsuk/pgx/pull/404
* [Backgammon] Implement no-op by nissymori in https://github.com/sotetsuk/pgx/pull/415
* Refactor speed benchmark scripts by sotetsuk in https://github.com/sotetsuk/pgx/pull/409
* [Backgammon] FIx backgammon warning by sotetsuk in https://github.com/sotetsuk/pgx/pull/418


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.0.18...v0.0.19

What's Changed

* Fix speed benchmark by sotetsuk in https://github.com/sotetsuk/pgx/pull/391
* Add speed comparison script by nissymori in https://github.com/sotetsuk/pgx/pull/383
* [Backgammon] Add env by sotetsuk in https://github.com/sotetsuk/pgx/pull/395
* [TicTacToe] improve speed by sotetsuk in https://github.com/sotetsuk/pgx/pull/401


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.0.17...v0.0.18

What's Changed
* [Shogi] Add and fix buggy test samples by youyou-ku in https://github.com/sotetsuk/pgx/pull/358
* [Shogi] Fix from/to sfen by sotetsuk in https://github.com/sotetsuk/pgx/pull/376
* [Shogi] implement `observe` by sotetsuk in https://github.com/sotetsuk/pgx/pull/374
* [Shogi] fix bugs by sotetsuk in https://github.com/sotetsuk/pgx/pull/377
* [Shogi] Fix unjittable bug by sotetsuk in https://github.com/sotetsuk/pgx/pull/379
* Implement envs by sotetsuk in https://github.com/sotetsuk/pgx/pull/381
* [Backgammon] Fix backgammon test by sotetsuk in https://github.com/sotetsuk/pgx/pull/385

Benchmark

* Compare with SubprocVecEnv in Go by nissymori in https://github.com/sotetsuk/pgx/pull/367
* Compare with for loop in Go by nissymori in https://github.com/sotetsuk/pgx/pull/371

**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.0.16...v0.0.17

What's Changed
* [BridgeBidding] Add random player position by harukaki in https://github.com/sotetsuk/pgx/pull/299
* [Shogi] convert sfen to state by youyou-ku in https://github.com/sotetsuk/pgx/pull/356
* [Shogi] reform `sfen_to_state` by youyou-ku in https://github.com/sotetsuk/pgx/pull/357
* [Shogi] Speedup by caching legal moves by sotetsuk in https://github.com/sotetsuk/pgx/pull/360
* [Go] Use `pseudo-liberty` by OkanoShinri in https://github.com/sotetsuk/pgx/pull/322
* [Go] Fix counting ji by OkanoShinri in https://github.com/sotetsuk/pgx/pull/359
* [Go] Use `neighbour` func by sotetsuk in https://github.com/sotetsuk/pgx/pull/365
* [Go] Refactor removing stones by sotetsuk in https://github.com/sotetsuk/pgx/pull/366
* [Shogi] Cache effects for speed up by sotetsuk in https://github.com/sotetsuk/pgx/pull/361


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.0.15...v0.0.16

What's Changed
* Remove flax dependency by sotetsuk in https://github.com/sotetsuk/pgx/pull/352


**Full Changelog**: https://github.com/sotetsuk/pgx/compare/v0.0.14...v0.0.15