Base64 and base16 decoding: Use *dst_length as output only.
sexp_transport_iterator_first: Updated base64 decoding.
Updated base64 test case.
Updated base16enc and base64enc example programs.
Updated base16_encode_update and base64_encode_update documentation.
Mark base*_decode_update change as done.
Deleted obsolete comment.
chacha_crypt: Fixed block counter update.
Improved chacha tests.
Renamed chacha_set_iv to chacha_set_nonce.
New constants, EAX_DIGEST_SIZE and GCM_DIGEST_SIZE.
Generalized nettle_aead abstraction, and moved to nettle-meta.h.
Implemented chacha-poly1305.
nettle-pbkdf2: Added missing deallocation.
Make eax_aes128 interface public.
Support for gcm-camellia128.
Support for gcm-camellia256.