nonrepeatingtuples.go

//Generates variations of elements 
//in submissionFiles array without repeating.
//output is array with tuples
for i := 0; i < len(submissionFiles); i++ {
		for j := i + 1; j < len(submissionFiles); j++ {
			tuple := OutputComparisonResult{
				Files: []string{submissionFiles[i], submissionFiles[j]},
			}
			output = append(output, tuple)
		}
	}