main-refactor-Identifier
Refactor the Range class by pulling out the RangeParser for separate testing. Insert befriended RangeParserFriend class in the new RangeParser_test code to expose and test private methods.
Refactor the Range class by pulling out the RangeParser for separate testing. Insert befriended RangeParserFriend class in the new RangeParser_test code to expose and test private methods.