iang/arctic: Library and benchmark program for Arctic and Shine @ 90f80136c2ee9b9469c9f8adbfa570e783d0eecf

Library and benchmark program for Arctic and Shine

Ian Goldberg 90f80136c2 Add some comments about the hash functions		пре 10 месеци
src	90f80136c2 Add some comments about the hash functions	пре 10 месеци
Cargo.toml	55187fb080 Use itertools::combinations instead of rolling our own	пре 10 месеци