* Split backup.py into disk & backup
* disk.py is for lower level disk management
* Renamed functions\data.py's select_disk() to select_volume()
* Avoid name collision with functions\disk.py's select_disk()
*
# Plan
* Use current WizardKit scripts as the new base
* Split functions into multiple files under Scripts\functions\
* Review menus and menu-flow
* Log everything and open log at end of menu-flows
* (before returning to the root/main menu)