Updated changelog, readme, rtd configuration#32

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pkittenis merged 7 commits intomasterfrom

Oct 25, 2020

Commits on Oct 21, 2020

Updated changelog, readme, rtd configuration
Panos
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Updated setup.py, key C file
Panos
committed

Commits on Oct 22, 2020

Added py3.9 appveyor build. Updated changelog. Updated manylinux scripts, docker file and openssl version.
Panos
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Removed openssl files
Panos
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Lfs track xz
Panos
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Updated dockerfile, krb archive
Panos
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Commits on Oct 25, 2020

Updated embedded openssh - appveyor cfg.
Panos
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