dar-backup version 1.0.1

This release is a patch with no new functionality.

• improve return value handling from functions.
• the demo backup definition supplied, backs up the deployed dar-backup directory
• various doc changes

SHA256 digest:
a18a7c3aa4a31e9eeee66a26fec6e2764b03d5790aa72ed085ef4cd980c916d5 dar-backup-linux-v1.0.1.tar.gz