Added game ConnectFour.
Improved playtesters.
Parallel AI with web workers.

Implemented WebWorkerPlayer.
Improved Game serialization.
New MaxN player.
Enhanced Checkerboards.

Method square signature changed.
Added asString/s and asRegExp/s methods.
Fixed serialization and class definition.
Moved default heuristic to HeuristicPlayer.
RegExps for result are now calculated.

Using the new CheckerboardFromString.asRegExps method.
Also cleaned the code a little.
Adjusted game serialization.

Also cleaned the code a little.
Added ConnectFour and Pig test cases.
Added MaxN testing.
Added initial command support.

Added Quit command (pseudomove) and a related event.
Major refactoring and also more documentation.
Simulation now returns more information.

So it may be reused.
Also fixed div by zero border case.
Now supports simultaneous games.

Fixed so it can be used with games with multiple active players per ply.
Also, canceling a move now resolves to the QUIT command instead of
failing.
New build.