BUG: 2nd pass wasn't working. Fixed it, but not entirely sure how ENH: 2nd pass is vectorized better STYLE: Tidied up, made code more readable
BUG: 2nd pass wasn't working. Fixed it, but not entirely sure how
ENH: 2nd pass is vectorized better
STYLE: Tidied up, made code more readable

spinicist/QUIT,spinicist/QUIT,spinicist/QUIT,spinicist/QUIT