extended output and readme, fix 2

src/StructuredDataObject.py

@@ -3,8 +3,8 @@ import json
 from AbstractDataObject import AbstractDataObject
 from datetime import datetime
 
-class StructuredDataObject(AbstractDataObject):
 
+class StructuredDataObject(AbstractDataObject):
     def __init__(self, topicPart):
         super().__init__(topicPart)
         self.keyValuePairs = {}