- Add patch to fix tests fix-tests.patch
- Use pytest to execute the tests, same as the upstream

- update to 0.9.1:
- Fix import of pyOpenSSL shim from urllib3 for PKCS12 adapter
- Add X509 Adapter that can handle PKCS12
- Add stateless solution for streaming files by MultipartEncoder from one host to another (in chunks)
- Update link to example
- Move import of ``ABCs`` from collections into version-specific part of
_compat module
- Fix backwards incompatibility in ``get_encodings_from_content``
- Correct callback documentation for ``MultipartEncoderMonitor``
- Fix bug when ``MultipartEncoder`` is asked to encode zero parts
- Correct the type of non string request body dumps
- Removed content from being stored in MultipartDecoder
- Fix bug by enabling support for contenttype with capital letters.
- Coerce proxy URL to bytes before dumping request
- Avoid bailing out with exception upon empty response reason
- Corrected Pool documentation
- Corrected parentheses match in example usage
- Fix "oject" to "object" in ``MultipartEncoder``
- Fix URL for the project after the move
- Add fix for OSX TCPKeepAliveAdapter