[fixed #160] Internal board now gets correctly updated when handicap stones are moved or removed. Also added testcases for that.
premature optimization ftw! m(
[refs #160] Fixed problem where white was allowed to play when all black handicap stones where removed.
Merge pull request #162 from augmented-go/#160_removing_handicap_stones

[fixed #160] Internal board now gets correctly updated when handicap sto...