[CentralOH] hashes, and other nonces

[R P Herrold]

Thanks for last night's presentation.  Much actionable 
material there

I see this in my new feed this morning, as to generating 
nonces:

http://www.evontech.com/what-we-are-saying/entry/python-36-adds-new-secrets-module-for-robust-account-and-password-security.html

Python 3.6, the newest major release of the Python language, 
has added a new module, called secrets, to help generate 
cryptographically strong random numbers for managing secrets, 
like account authentication, tokens and related secrets. 
Python developers are highly likely to prefer secrets  ...

-- Russ herrold