Created a new interface IObjectSerializer and moved implementation to Hosting
Added two failing tests for serialization
Flipped to JSON.NET, all tests are passing :sparkles:
Added test for circular references
Merge pull request #525 from khellang/json-net

Switch default serializer to JSON.NET
Added serialization of references. Should fix #528
Merge pull request #529 from khellang/serialize-references

Added serialization of references