Commented Issue: Nonstandard primitives cannot be used as keys [495]

Using char as a key for example fails serialization and results in a closed connection with this exception:

The CLR literal of type 'System.Char' is not supported to be written as a Uri part.

When we try to generate a selflink
Comments: dupe of 484. fixed with commit http://aspnetwebstack.codeplex.com/SourceControl/changeset/41b15c411dda