Release 0.2.1

• Fix formatting and input issues (#6, #8, #9).
• Make error messages more clear and consistent (#10).
• Fix info.xml not getting backed up on first run (#7).
• Fix when root of backup disk is used as backup directory (#13).

Release 0.2

• Add command line options
• Add help display
• Add systemd unit and timer

Release 0.1

make installable