-Changed serializing ISerializable types under partial trust to error to fix security issue
-Fixed LinqBridge collision error in .NET 2.0 by moving types to a different namespace
-Fixed JObject.Keys error when object has no items
-Updated main project to .NET 4.0
-Updated to psake 4.0
-Changed assembly version to 4.0.0.0
-Added ICustomTypeDescriptor implementation to JObject, removed JTypeDescriptionProvider and JTypeDescriptor
-Changed serialization of collections to use iterator rather than indexer
-Removed Compact Framework project
-Fixed XML documentation warnings
-Fixed many bugs around JProperty and JObject
-Changed JProperty constructor that doesn't take a value to internal
-Added many unit tests
-Renamed CloneNode to CloseToken
-Changed JPropertyDescriptor to always return the token rather than value
James Newton-King