I accidentally discovered today that the list in the Edit Hour Template dialog in mAirListDB can be sorted by clicking the column headers (which I personally think is a Very Bad Idea, but …).
If you click (for example) the Folder column header, then click the order (#) column to restore your playlist to numeric order, it uses text sorting :(, so the order becomes for example 1, 10 … 19, 2, 20 … 29, 3, 4, 5, 6, 7, 8, 9.
(Though I still think it would be best NOT to allow sorting by column header at all.)
BFN
CAD