currently version ids are timestamps, but for storage provided versions
this is not always the case and they might be strings
Signed-off-by: Robin Appelman <robin@icewind.nl>
Allows apps to register version backends for storage types
The existing versions backend is wrapped in a "legacy" backend.
Signed-off-by: Robin Appelman <robin@icewind.nl>
Côme Chilliet
John Molakvoæ (skjnldsv)
Christoph Wurst
Robin Appelman