Add a the list-backup command for listing the timedate of available backups for a world.
Add the restore-backup command for restoring world backups.
Add the list-backups and restore-backup commands to the bash completion script
Modify the permissions of the backup location.
Create a fresh backup before restoring a backup
Add the list-backups and restore-backup commands to the README
Merge pull request #60 from sandain/master

Merge master into the restore-backup branch
Merge pull request #62 from sandain/restore-backup

Restore backup