RED: EmptyString() fails
GREEN: EmptyString() pass
BLUE: EmptyString() refactor
RED: AddOneNumber_returnNumber() fails
GREEN: AddOneNumber_returnNumber pass
BLUE: Tester Refactor
RED: AddTwoNumbersCommaSeparated_returnSum() fail
GREEN: AddTwoNumbersCommaSeparated_returnSum() pass
BLUE: SplitStringToArray() refactor
RED: AddOneNumberCommaSeparated_returnNumber() fail
GREEN: AddOneNumberCommaSeparated_returnNumber() pass
BLUE: String2Int() refactor
RED: UnknownAmountOfNumbersCommaSeparated() fails
Merge branch 'master' of https://github.com/bnohad/TDD-Calculator