Clarified comparison semantics for Min and Max aggregate operators.
Clarified comparison semantics for Min and Max aggregate operators.

MeasureAuthoringTool/clinical_quality_language,cqframework/clinical_quality_language,cqframework/clinical_quality_language,MeasureAuthoringTool/clinical_quality_language,MeasureAuthoringTool/clinical_quality_language,MeasureAuthoringTool/clinical_quality_language