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* The "show archive" code now correctly displays the time.
* archive_store and catalog_store are now validated, and report an error.
* Catch and report errors when saving extended attributes.
* Added an option which disables xattr writing.
* Now dardrive detects and reports when archive_store and catalog_store
point to the same location.
* Added a "show ver" subcommand that shows the dardrive version.
* Show archives now reports running jobs.
* Check for path existence where rebuilding the catalogs.
* Fix dmd rebuilding locking bug