Support for Silverlight 4.0 (only Json and Http runtime, no type providers)
Support user-agent, host & referer headers, and auto set method to POST when there's a body
Allow to specify the request body as a set of parameters
Improve exceptions throws by Http.Request
Support cookies in Http requests
Change indefinite caches to 30 days and cache all designtime urls for 30 minutes (fixes #90)
Speedup http requests on full framework
Support for getting binaries, and Ex variants of methods to get more info