Updating dev NuGet.config
Removing declaration expressions
#52 - Set a default user-agent for the OAuth backchannel.
Fixup references
Use DI activated options for auth middlewares

UseXXX() now use DI activated options
Use ExternalAuthenticationOptions instead of DefaultSignInAs
#39 - Port the OAuth Bearer middleware from Katana.
React to UsePerRequestServices
Reacting to CLR package versioning changes
Removing version from framework assemblies node
Update Security to account for DataProtector API changes.
#69 - Properly delete Twitter state cookie.
#61 - Unit test cleanup.
#59 - Use Task.GetAwaiter().GetResult() instead of Task.Result.
React to Options and Hosting changes
Update UseMiddleware dependencies.
Switch to automatically ensure request services
Update Claims dependency.