`abgleich` should work in its own isolated namespace for snapshots and ignore snapshots of other tools ...

[s-m-e]

... as far as possible / reasonable.

[s-m-e]

Namespaces are subject to changes. Probably better idea: Use custom property on snapshots for tagging.

Also add option: Ignore untagged snapshots. Default: False.

[s-m-e]

Partially supported in 0.1, definitely not supported in 0.2 as of now and unlikely to be reliably implemented.