- Change: Port to Python 3 (see #8).
- New: SSH authentication with private key (see #7;
- Change: Reuse SFTP connection for downloading files (see #6).
- New: Make binary backups and preserve only the one from the last configuration change (see #4);
- New: Unique names for backup and export files on device and cleanup after download (see #5);
- Change: Use colorama for colored output on terminal.
- New: JSON schema definition and validation for the configuration (see #3).