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.
Fixing a bug that file conversion crashes if style.css file doesn't exist.
Bumping up version.
More stats.