### Next: 14
 BUG-4: Duration is borked and comes out as -1 day under jobs (windows created jobs ONLY)
 BUG-6: add a new file (e.g. touch an image in the import dir), and keep_dir[<key>] has missing key
 BUG-7: thumbnail orientation issues (see latest image from my phone - of laptop)
 BUG-8: cascading failure jobs are needed
BUG-10: gen*details will stop if no change to top-level dir, but not look in subdirs
BUG-11: Ai ref img jobs are looping, needs fix
BUG-13: JobImportDir adding duplicates, not optimising -> in fact db has value, but func shows 0 (is that because entry is a duplicate and 0 before its then updated after import and in the db as thew new value?)