Aggregation Methods Testing... and some Enhancements

[coveralls]

Pull Request Test Coverage Report for Build 387

• 339 of 339 (100.0%) changed or added relevant lines in 16 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 350:	0.0%
Covered Lines:	6027
Relevant Lines:	6027

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💛 - Coveralls

[mitchute]

This looks OK for now. Gonna merge and start running the aggregation study.