With this release, the app is now capable of detecting likely errors and giving you useful feedback. If your config.txt is missing, it will generate a fresh one for you. This release is appropriate for any user who can internet search how to install python, install package requirements, and schedule a script to restart upon interruption, reboot, etc.
Breaking Change. If you had a previous version your config.txt files are now using the wrong format in the NEXT column. The script should detect your machine's locale and work accordingly. For US that will be MM/DD/YY HH:MM:SS instead of the MM-DD-YY HH:MM:SS that was used previously. You're probably best copying your config.txt somewhere else and running the buildconfigfile.py script.