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* 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