Fix configuration parameter usage
Fix uniqueness check and documentation label
Objects.py: Add properties

'filename' didn't make it to the FileObject function definitions before.
Found when adding a needed identifier to the HiveObject.

Signed-off-by: Alex Nelson <a.nelson@prometheuscomputing.com>
Merge branch 'master' of https://github.com/simsong/dfxml

The conflicts were, fortunately, non-issues.

Conflicts:
	python/ChangeLog
	python/Objects.py