Renamed parameter
Made test 15 not produce an error
Changed the first line in resultat.txt for Story 9
Made format(RacerTime) now return '--.--.--' if duration is 0
Made timeFromStartToOtherStart in Distance return a long intead of a String
Changed the way addFinishTime works in CircuitRacer
Made Distance return 0 if there is no start or finish time
CircuitRacer now should add it's finish times in order
Added a test for RacerTime