made tests pass, although there are some worrying scores > 1 which should happen in the cosine model
made tests pass, although there are some worrying scores > 1 which should happen in the cosine model

pombredanne/mongo-search,glamkit/mongo-search,glamkit/mongo-search,pombredanne/mongo-search,glamkit/python-mongo-search,pombredanne/mongo-search,glamkit/mongo-search