Websocket-client

- Fix stack growth bug when `run_forever` reconnects (854)
- Add doctest CI for sphinx docs code examples (d150099)
- General docs improvements

- Fix automatic reconnect with `run_forever` (838)
- Allow a timeout to be set when using a proxy (842)

- Fix unclosed socket error (826)
- Update header dict access (818)
- Add utf8 workaround to docs (fc9ee9f)

- Add support for pre-initialized stream socket in new WebSocketApp (804)
- Remove rel.saferead() in examples (f0bf03d)
- Increase scope of linting checks (dca4022)
- Start adding type hints (a8a4099)

- Fix 10 year old bug and improve dispatcher handling for run_forever (795)
- Fix run_forever to never return None, only return True or False, and add two tests (788)
- Remove Python 3.6 support, EOL in Dec 2021

- BREAKING: Set Origin header to use https:// scheme when wss:// WebSocket URL is passed (#787)
- Replace deprecated/broken WebSocket URLs with working ones (6ad5197)
- Add documentation referencing rel for automatic reconnection with run_forever()
- Add missing opcodes 1012, 1013 (771)
- Add errno.ENETUNREACH to improve error handling (da1b050)
- Minor documentation improvements and typo fixes