Update CI and compatibility · kennyp/fernetex@0246e64

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test generate! (FernetTest)

test verify (FernetTest)

test key is pulled from config (FernetTest)

doctest module Fernet (2) (FernetTest)

test verify! (FernetTest)

test invalid (FernetTest)

property can always verify what it generates (FernetTest)

test handles padding on input strings that are a len multiple of 32 (FernetTest)

test generate (FernetTest)

doctest module Fernet (1) (FernetTest)

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