Bumping up version.
Merge branch 'master' of https://github.com/ymatsux/mjai
Adding ShantenAnalysis implementation using ymatsux's algorithm.
Adding benchmark script for ShantenAnalysis.
Implementing all game ending conditions.
Merge pull request #8 from yuizumi/finish

Implementing all game ending conditions.
Merging.
Fixing the fu of tsumo-pinfu.
Making the server more error-proof.
Merge branch 'bugfix' of https://github.com/yuizumi/mjai
Adding validation that tehai after reach is tenpai, etc.
Adding fields possible_actions and cannot_dahai to an action.
Simplifying log handling.
Fixing some bugs.
Automatically generating HTML for server log.
Making pai images larger in the archive player.
Adding mjai stats command.
Some bug fixes.
Bumping up gem version.
Fixing a bug that furo in the last turn is not allowed.
Modifying interface of mjai server command.
Updating document.
Adding license in gemspec.
Updating path to mjai-manue.