I think the time to spend for the data management of the settings has to be low. We have to spend time to the current job. That's why I have done this basic user interface tools.
H. B.
Get the last version of the classes and the demo project !
It's ok with python 2.7.
Set the data structure and run the test !
Change add a field on your table, just add the refernce to the data structrue !
Change the properties files to connect on an other database !
See how the user panels present the data to mange your settings.