return response instead of raw for stream requests

- enables use of iterator
- https://requests.readthedocs.io/en/latest/user/quickstart.html\#raw-response-content

Signed-off-by: Alex Kwiatkowski <alex+git@fremantle.io>

CHANGELOG.md

@@ -7,6 +7,7 @@ All notable changes to the Zowe Client Python SDK will be documented in this fil
 ### Bug Fixes
 
 - Fixed 'create_data_set' to accept "FBA", "FBM", "VBA", "VBM" as valid recfm [#240](https://github.com/zowe/zowe-client-python-sdk/issues/240)
+- Return response instead of raw from streamed requests
 
 ## `1.0.0-dev12`
 

src/core/zowe/core_for_zowe_sdk/request_handler.py

@@ -93,7 +93,7 @@ def perform_streamed_request(self, method, request_arguments, expected_code=[200
         self.__validate_method()
         self.__send_request(stream=True)
         self.__validate_response()
-        return self.response.raw
+        return self.response
 
     def __validate_method(self):
         """Check if the input request method for the request is supported.