PyCA cryptography 2.1.4 has been released to PyPI. cryptography includes
both high level recipes and low level interfaces to common cryptographic
algorithms such as symmetric ciphers, message digests, and key derivation
functions. We support Python 2.7, Python 3.4+, and PyPy.
* Added X509_up_ref for an upcoming pyOpenSSL release.
-Paul Kehrer (reaperhulk)