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RevisionAggregateQBox.h

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1.1 20:39:52 RevisionAggregateQBox is the Aggregate box that process revision tuples.
****ONLY order-by FIELD and window-size-by VALUES is supported right now.****
FUTURE TO OD
order-by TUPLENUM and window-size-by TUPLES
All Aggregate Functions will need a remove() method to process revisions correctly.
Later RevisionAggregate and RevisionFilter should be copied over to Aggregate and Filter boxes respectively.

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