Program should print Fizz instead of the number for multiples of three
Program should print "Buzz" instead of the number for multiples of five
Program should print "FizzBuzz" instead of the number for multiples of both three and five
Refactoring: renamed FizzBuzz.toString to FizzBuzz.buildOutput
Start and stop values should be parameterized
Both values 3 and 5 should be parameterized instead of hardcoded constants