fix to issue 726 - is null and isnot null operators had incorrect types resulting in error for particular queries. CR: Lawrence
Improving the filters in ApiConsistencyTest
Additionally fixing some debugger displays.
Separate framework assembly dependencies
Added issue numbers for most core TODOs
Mary didn't have a little lambda...

Non-generic and string-based overloads for the relationship APIs
WithRequiredDepenipal...

Required fluent API on relationship builders.