implementing POST-request input validation for shipcalls. Creating many tests and applying slight updates to the Notifier (not implemented yet)

src/server/BreCal/api/shipcalls.py

@@ -41,6 +41,9 @@ def PostShipcalls():
     try:
         content = request.get_json(force=True)
         loadedModel = model.ShipcallSchema().load(data=content, many=False, partial=True)
+        logging.log(20, loadedModel)
+        logging.log(20, "dev. above: loaded model, below: content")
+        logging.log(20, content)
 
         # read the user data from the JWT token (set when login is performed)
         user_data = check_jwt()