Contract-modifications, MUDO's, comments
Get methods throw a NotFoundException when there is no match
Merge pull request #3 from HBeringh/hermanNjan

Herman njan
Use backing fields iso properties for nHibernate mappings to avoid MS Code Contract problemns
* Get family throws NotFoundException if record isn't found
- specifically IdNotFoundExcepetion when GetById is invoked
Use Assembly Mode : Standard Contract Requires
- Remove Contract.EndContractBlock
plural form of criterion is criteria