Refactor StackEntry to State
Add new methods to Square
Refactor square checks to isLegal() and isValid()
Merge makeMove and undoMove methods
Refactor to direction constants
Remove setters
Reduce MAXSIZE to 256
Add toBitboard()
Add index() to Attack
Refactor MoveList variables to list
Refactor IntColor conditions
Remove extra arguments
Add more unit tests
Fix internal method call
Merge pull request #101 from fluxroot/develop

Develop