* url.userinfo should be URL encoded bytes
* Neater copy_with implementation
* Finesse API around URL properties and copy_with
* Docstring for URL, and drop url.authority
* Support url.copy_with(raw_path=...)
* Docstrings on URL methods
* Tweak docstring
* First pass as switching dispatchers over to httpcore interface
* Updates for httpcore interface
* headers in dispatch API as plain list of bytes
* Integrate against httpcore 0.6
* Integrate against httpcore interface
* Drop UDS, since not supported by httpcore
* Fix base class for mock dispatchers in tests
* Merge master and mark as potential '0.13.dev0' release
* BaseClient and AsyncClient
* Introduce 'httpx.Client'
* Top level API -> sync
* Top level API -> sync
* Add WSGI support, drop deprecated imports
* Wire up timeouts to urllib3
* Wire up pool_limits
* Add urllib3 proxy support
* Pull #734 into sync Client
* Update AsyncClient docstring
* Simpler WSGI implementation
* Set body=None when no content
* Wrap urllib3 connection/read exceptions
* Drop nox in favor of vanilla scripts
* Use named stages
* Fix attrs dependency resolution madness
* Add missing mkautodoc dev dependency
* Add missing install step on windows build
* Explicitly define stage order so that timed out Windows build runs last
* Add missing dev dependency on Black
* Clean up contributing guide
* Separate docs into docs-build and docs-serve
