Extend the Clone_Of_ChangeTrackingCollection_Should_Create_Deep_Copy unit test to demonstrate that the IEnumerable.Clone extension method may lead to an unnecessary copy of an entity
Extend the GetChanges_On_Unchanged_Order_With_Details_Should_Return_Marked_Children unit test to demonstrate that the ChangeTrackingCollection.GetChanges method may lead to an unnecessary copy of an entity
Fix: IEnumerable.Clone/ChangeTrackingCollection.GetChanges may lead to an unnecessary copy of an entity
Merge branch 'clone-ref' of https://github.com/azabluda/TrackableEntitiesContrib into azabluda-clone-ref