Changelog:
===========
* Add support for CURLOPT_HAPROXY_CLIENT_IP
* Port tests from bottle to flask
* Add constant for CURL_HTTP_VERSION_3ONLY
* Add EFFECTIVE_METHOD info option
* Don't use `-flat_namespace` on macOS
* Add some missing GIL checks to callback functions
* Fix assorted bugs in pycurl tests, including a segfault
* Fix minor bug in examples/multi-socket_action-select.py
* Build all wheels using the latest version of libcurl and its
dependencies
* Implement Certificate Authority path autodetection when building
Linux wheels
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>