Make crypto module python3-compatible
* Remove usage of unicode() and decode the base64-encoded string in
encrypt();
* Encode the string received in decrypt() as (I supposed) it should come
from the result of encrypt().
Add tests for this module along the way.
===================
Changelog history
===================
.. include:: 3.26.rst
.. include:: 3.25.rst
.. include:: 3.24.rst
.. include:: 3.23.rst
.. include:: 3.22.rst
.. include:: 3.21.rst
.. include:: 3.20.rst
.. include:: 3.19.rst
.. include:: 3.18.rst
.. include:: 3.17.rst
.. include:: 3.16.rst
.. include:: 3.15.rst
.. include:: 3.14.rst