let read_checksums normalize the path so they get recognize as one file. -> parse it once instead of 40 times. also, remove the old `next if md5/sha1' test, it was always just an optimization, and becomes a pessimization now that these are gone.
let read_checksums normalize the path so they get recognize as one file. -> parse it once instead of 40 times. also, remove the old `next if md5/sha1' test, it was always just an optimization, and becomes a pessimization now that these are gone.