public RandomReplayGenerator(CharacterSet characterSet, int length)
 {
     this.characterSet = characterSet;
     Length = length;
 }
 public SinglePointMutation(CharacterSet characterSet, FitnessCalculator fitnessCalculator)
 {
     this.fitnessCalculator = fitnessCalculator;
     random = new Random();
     this.characterSet = characterSet;
 }