0.24.0

• Added BaseResponse.calls to access calls data of a separate mocked request. See #664
• Added real_adapter_send parameter to RequestsMock that will allow users to set
  through which function they would like to send real requests
• Added support for re.Pattern based header matching.
• Added support for gzipped response bodies to json_params_matcher.
• Fix Content-Type headers issue when the header was duplicated. See #644
• Moved types-pyyaml dependency to tests_requires
• Removed Python3.7 support