- Raise default and minimum base32 secret length to 32, and hex secre…

…t length to 40 (160 bits as recommended by the RFC) (pyauth#115).

- Fix issue where provisioning_uri would return invalid results after calling verify() (pyauth#115).

- parse_uri accepts and ignores optional image parameter (pyauth#114)

- Add optional image parameter to provisioning_uri (pyauth#113)

- Support for 7-digit codes in 'parse_uri' (pyauth#111)

- Raise default and minimum base32 secret length to 26

- parse_uri: Fix handling of period, counter (pyauth#108)

- Add support for timezone aware datetime as argument to `TOTP.timecode()` (pyauth#107)

- Fix data type for at(for_time) (pyauth#85)

- Add support for parsing provisioning URIs (pyauth#84)

- Raise error when trying to generate secret that is too short
  (The secret must be at least 128 bits)

- Add random_hex function (pyauth#82)

- Fix comparison behavior on Python 2.7

v2.2.8

- Fix comparison of unicode chars (pyauth#78)

- Minor documentation and test fixes

- Have random_base32() use 'secrets' as rand source (pyauth#66)

- Documentation: Add security considerations, minimal security checklist, other improvements

- Update setup.py to reference correct license

- Fix tests wrt double-quoting in provisioning URIs