Library and benchmark program for Arctic and Shine

Ian Goldberg 66efc56a24 The round 1 output is now (y,R) instead of just R to match the paper %!s(int64=2) %!d(string=hai) anos
src 66efc56a24 The round 1 output is now (y,R) instead of just R to match the paper %!s(int64=2) %!d(string=hai) anos
Cargo.toml 55187fb080 Use itertools::combinations instead of rolling our own %!s(int64=2) %!d(string=hai) anos