Update python client to version 1.0.0.

This version of the client removed the request method, path and body from the encode and decode methods.
The biggest changes here is to the unit tests.

tests/__init__.py

@@ -6,7 +6,7 @@ from app.dao.api_key_dao import (get_unsigned_secrets, save_model_api_key)
 from app.dao.services_dao import dao_fetch_service_by_id
 
 
-def create_authorization_header(path, method, request_body=None, service_id=None):
+def create_authorization_header(service_id=None):
     if service_id:
         client_id = str(service_id)
         secrets = get_unsigned_secrets(service_id)
@@ -23,18 +23,5 @@ def create_authorization_header(path, method, request_body=None, service_id=None
         client_id = current_app.config.get('ADMIN_CLIENT_USER_NAME')
         secret = current_app.config.get('ADMIN_CLIENT_SECRET')
 
-    if request_body:
-        token = create_jwt_token(
-            request_method=method,
-            request_path=path,
-            secret=secret,
-            client_id=client_id,
-            request_body=request_body)
-
-    else:
-        token = create_jwt_token(request_method=method,
-                                 request_path=path,
-                                 secret=secret,
-                                 client_id=client_id)
-
+    token = create_jwt_token(secret=secret, client_id=client_id)
     return 'Authorization', 'Bearer {}'.format(token)