Changelog:
- new: support Python 3.10
- new: allow optional keys in endpoint config validation
- fix: reset transport retry status when connection succeeds
- new: refactor SigningKey class for reusability
- new: expand XBR node pairing helpers
- fix: update wamp flatbuffer schema for r2r links
- fix: don't clobber factory
- fix: explicitly require setuptools
- new: expand wamp auth scram and xbr argon2/hkdf
- fix: WebSocket compression, window size (zlib wbits) == 8 is illegal nowerdays
- fix: XBR IDL code generator - all 4 WAMP actions working now
Signed-off-by: Algent Albrahimi <algent@protonmail.com>