PyCA cryptography 3.4.7 released

PyCA cryptography 3.4.7 has been released to PyPI. cryptography includes both high level recipes and low level interfaces to common cryptographic algorithms such as symmetric ciphers, asymmetric algorithms, message digests, X509, key derivation functions, and much more. We support Python 3.6+, and PyPy3. Changelog (https://cryptography.io/en/latest/changelog.html#v3-4-7): * Updated Windows, macOS, and manylinux wheels to be compiled with OpenSSL 1.1.1k. -Paul Kehrer (reaperhulk)