3rd Version

Modified FractionCalculator evaluator to parse string whole numbers.
3rd Version

Modified FractionCalculator test to check calculator parses string whole numbers.
4th Version

Added a main method and launch method to FractionCalculator.
5th Version

Ensured value was updated by main method and launch method to FractionCalculator.
6th Version

Added addition as  a part of the 'evaluate' method.
4th Version

Modified FractionCalculator test to check addition of strings ignoring the passed fraction works.