Merge tag 'v3.0.0' into develop

Python 3 update including full type hinting, asyncio tools, typing shortcuts and listify decorator for generators v3.0.0

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# gpg: Signature made Tue Jan  4 15:31:27 2022 CET
# gpg:                using RSA key 149325FD15904E9C4EB89E95E81444E9CE1F695D
# gpg: Good signature from "Rick van Hattem <wolph@wol.ph>" [ultimate]
# gpg:                 aka "[jpeg image of size 9662]" [ultimate]

Author: wolph