removed unneeded import
Merge branch 'master' of https://Bairdo@github.com/AndLen/222ass1.git
Merge branch 'master' of https://Bairdo@github.com/AndLen/222ass1.git
passage now checks if a passage move is valid (opposite corners).
wrote a few test to check sp - gu, gu - sp, ob - ki, ki - ob.
specifically. also made a couple of invalid test. all pass :)