bip158: change swp to rev in +to-range
bip158: change swp to rev in +to-range

Co-authored-by: fang <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@fang.io>
ngzax/urbit,urbit/urbit,ngzax/urbit,ngzax/urbit,urbit/urbit,ngzax/urbit,urbit/urbit,urbit/urbit,ngzax/urbit,urbit/urbit,urbit/urbit,ngzax/urbit,urbit/urbit,ngzax/urbit