test/cases/0010-pivot: employ pivot format function
pivot/format: implement pivot format function
pivot/run: employ pivot format function
pivot/pivot: quotes fixed
pivot/pivot: output table format simplified
0010-pivot: format helper added
0010-pivot: show in percent test added
pivot/format: typo fixed
pivot/format: formatter splitted
pivot/pivot: output in percent added
pivot/pivot: guard against empty keys
pivot/pivot: calculating the maximum number of seen fields
pivot/pivot: remove stale comment