brainstorming/refactoring...
More brainstorming/refactor/generalizations... in prog...
WORKING MACHINERY FOR TRACKING DB-SIDE UPDATE CASCADES

Still very much under development, but logic is now in place to simulate
row changes (**recursively**) based on foreign-key changes, and record
them as changes within the ChangeSet.

The code/logic is a bit sprawling currently and will need to be
consolidated as well as optimized