18.0.0
Add Connection.get_certificate method (#733)
Delete rand.py (#675)
Don't zero memory when we don't have to. (#578)
Use autofocus for all module documentation/docstrings (#737)
Add an informative __main__.py (#620)
restore a subset of the rand module (#708)
Fixes #655 -- deprecate OpenSSL.tsafe (#673)
18.0.0 release time (#760)