2.1.6
- fix for release build in net4 (thanks to Craig Minihan)
- support for ExpandoObject serialize in net4 (thanks to Craig Minihan)
- added JSONParameters.SerializerMaxDepth to control the max depth to go down to
- added JSONParameters.InlineCircularReferences to disable the $i feature and inline already seen objects
- JSONParameters.UseExtensions = false disables circular references also