0.2.2 (2013-12-04)
++++++++++++++++++

- Add `send` and `receive` functions for secure message building.
- Raise `EncryptionError` instead of generic errors.
- Slightly better test coverage.


0.2.1 (2013-12-03)
++++++++++++++++++

- Add base `Key` class.
- Introduce `raw` versions of encrypt and decrypt.
- Implemented key printing and comparison.


0.2.0 (2013-12-03)
++++++++++++++++++

- Return str from `to_base64` and allow `from_base64` to receive str.
- Create classes for different key types.
- Change return from `to_hex` to str for consistency with base64.
- `guess_hash` function moved to different module.
- Automatically use session keys when encrypting large messages.


0.1.0 (2013-11-26)
++++++++++++++++++

- Initial release.
