Revert changes to result entry naming for tooling compatibility

[surilindur]

Here is the requested set of changes to revert the result entry names to how they were in version 2.x to maintain compatibility with scripts that process them. The time (previously duration) and results (previously resultCount) are now back again, and the corresponding Max and Min entries have also been renamed. The resultHash column has been changed to hash, as well, because it was resultHash to align it with resultCount but that is gone now.

The readme example now includes the full set of columns produced when running against a Comunica SPARQL endpoint that provides the httpRequests metadata, if you want to see exactly what it outputs. Hopefully this works better now with all the scripts. 🙂

[coveralls]

Pull Request Test Coverage Report for Build 8999919866

Details

• 20 of 20 (100.0%) changed or added relevant lines in 2 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 8894231204:	0.0%
Covered Lines:	241
Relevant Lines:	241

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💛 - Coveralls

[rubensworks]

Thanks! Released as 4.0.0.