Added TransformToX12 method to X12Parser so that the xml can be modified and turned back into X12.
Fixed bug with UnbundlingByLoopId to stop producing duplicates when loop is not inside a hierarchical loop and added corresponding unit tests.
Fixed the 837 4010 specification to be more accurate.
Added DentalClaimSpecificationFinder and InstitutionalClaimSpecificationFinder for more exact parsing of LoopIDs.
Added more 837 test samples to the unit test inventory.