0.3.0 - 2019-01-23

Bump minimum required rustc version to 1.22.0
Fixed serde deserialization into owned string that previously caused panics when doing round-trip (de)serialization
HashEngine::block_size() and Hash::len() are now associated constants HashEngine::BLOCK_SIZE and Hash::LEN
Removed block_size() method from Hash trait. It is still available as <T as Hash>::Engine::BLOCK_SIZE

0.2.0 - 2019-01-15

Add a constant-time comparison function
Simplify io::Write::write implementations by having them do only partial writes
Add fuzzing support
Allow Hashes to be borrowed as [u8]
Replace public Hash inners with into_inner method