jwks_uri value was not carried along as it should have been.

Need to carry the original request along for later use.

Author: rohe

src/oidcrp/__init__.py

@@ -204,6 +204,7 @@ def init_client(self, issuer):
 
         client.service_context.keyjar = self.keyjar.copy()
         client.service_context.base_url = self.base_url
+        client.service_context.jwks_uri = self.jwks_uri
         return client
 
     def do_provider_info(self, client=None, state=''):

src/oidcrp/oauth2/__init__.py

@@ -141,6 +141,9 @@ def service_request(self, service, url, method="GET", body=None,
         if response_body_type == 'html':
             return resp.text
 
+        if body:
+            kwargs['request_body'] = body
+
         response = self.parse_request_response(service, resp,
                                                response_body_type, **kwargs)
         if 'error' in response: