additional_data argument for encrypt()/decrypt()cryptfile()encrypt() to encrypt_raw()encrypt_obj() to encrypt()encrypt() to serialize encrypted objects to fileblake2b() for hashing any R objectblake2b_raw() for hashing raw vectors and strings directly.create_keyshares(key, n, k) to split a 32-bytes key into n pieces,
and recoverable with only k of them.combine_keyshares(shares) to combine at least k shares in order
to recover the original key.cryptfile() to read/write with connections as well as files.create_public_key() and
create_shared_key()argon2() now returns a hex string by default.Initial release