bhpy: fixed issue #73 where sq_item was set to BhArray_GetItem() and now its own BhArray_GetSeqItem()
bhpy: fixed issue #73 where sq_item was set to BhArray_GetItem() and now its own BhArray_GetSeqItem()

bh107/bohrium,bh107/bohrium,madsbk/bohrium,bh107/bohrium,bh107/bohrium,madsbk/bohrium,madsbk/bohrium,madsbk/bohrium