Modify doProcessGetSpec to enable OPTIONAL get specifications for datasets in the BaseYear group and the Global group as well as in the Year group.
Modify doProcessGetSpec to enable OPTIONAL get specifications for datasets in the BaseYear group and the Global group as well as in the Year group.

gregorbj/VisionEval,gregorbj/VisionEval,gregorbj/VisionEval,gregorbj/VisionEval