v2020.6.24-beta (202006240)

Backup/restore accounts, call logs, contacts and SMS/MMS as well.
Backup runtime permissions directly from the dedicated XML file.
Fixed mkdir issue.
Backup app specific Android IDs. Restore is WIP.
More modular system data backup method
Use `more` instead of `less` (buggy scrolling) for displaying the help text.

v2020.6.22-beta (202006220)

Exclude code_cache/ from app data backups.
Fixed app data lib symlink issue.
General optimizations
Refresh APK snapshots after successful restore.
Updated help text.

v2020.6.21-beta (202006210)

Rewritten from scratch.