This patch adds:
- Set.All which returns an iter.Seq to complement Set.Slice.
- Set.AddSeq which adds an iter.Seq.
- Set.DeleteSeq which deletes an iter.Seq to complement Set.AddSeq
and provide the missing method for deleting multiple elements.
- Set.DeleteSlice and Set.DeleteSet to complement AddSlice and AddSet.
Updates #cleanup
Signed-off-by: Simon Law <sfllaw@tailscale.com>