Bugs / Fixes

- Allow --backup-dir=. (From where you called vzpbackup)

TODOs / Feature requests for vzpbackup

- More error handling and precaution
-- Detect if a container is actually using ploop as storage device
-- Error handling from commands being executed
-- Check if a container was able to create a snapshot / checkpoint
- Hook-Script to run prior creating the snapshot (automysqlbackup, etc)
- Incremental backups (need to think if there is a smart way for this)
- Add support for duply
- and more
