* Add license and readme
* Use pure rust implementation
* Bump version to 0.1.1
* Don't use C, prefer the pure Rust implementation
* Add test for `write_keccak`
* Bump version
* Add benchmarks
* Add benchmarks
* Add keccak_256, keccak_512, keccak_256_unchecked and keccak_512_unchecked – mostly for compatibility with ethash
* Remove failed git merge attempt from external git repo
Cargo.lock updates
* whitespace
* Mark unsafe function unsafe
* Unsafe calls in unsafe block
* Document unsafety invariants
* Revert unintended changes to Cargo.lock
