Version 0.23.1 (encode#2442)

* Version 0.23.1

* Update dependencies

* Update CHANGELOG

* Update CHANGELOG.md

Co-authored-by: Marcelo Trylesinski <marcelotryle@gmail.com>

* Update CHANGELOG.md

Co-authored-by: Marcelo Trylesinski <marcelotryle@gmail.com>

Version 0.23.0 (encode#2214)

* Version 0.23.0

* Update changelog

* Update httpcore dependancy

* Update CHANGELOG.md

* Update CHANGELOG.md

* Update CHANGELOG.md

* Update CHANGELOG.md

Version 0.22.0 (encode#2048)

* SOCKS proxy support

* Version 0.22.0

* Link to socksio

Version 0.21.3 (encode#2017)

Version 0.21.2 (encode#2011)

Version 0.21.1 (encode#1941)

Version 0.21 (encode#1935)

* Integrate with httpcore 0.14

* Fix pool timeout test

* Add request extensions to API

* Add certificate and connection info to client, using 'trace' extension

* Fix test_pool_timeout flakiness

Version 0.20 (encode#1890)

* Version 0.20

* Add date to changelog

* Freeze charset-normalizer to a known version for testing consistency

Add cli support (encode#1855)

* Add cli support

* Add setup.py

* Import main to 'httpx.main'

* Add 'cli' to requirements

* Add tests for command-line client

* Drop most CLI tests

* Add test_json

* Add test_redirects

* Coverage exclusion over _main.py in order to test more clearly

* Black formatting

* Add test_follow_redirects

* Add test_post, test_verbose, test_auth

* Add test_errors

* Remove test_errors

* Add test_download

* Change test_errors - perhaps the empty host header was causing the socket error?

* Update test_errors to not break socket

* Update docs

* Update version to 1.0.0.beta0

* Tweak CHANGELOG

* Fix up images in README

* Tweak images in README

* Update README

Version 0.19.0 (encode#1809)

* Update CHANGELOG

* Update CHANGELOG

* Version 0.19.0

* Update CHANGELOG