HTTP headers.
Configure test project to run test runner
Cookie class.
Request and Response objects to allow richer functionality (cookies etc)
Get and set cookies.
Session IDs.
Copyright by me.
Move existing session code to Sessions namespace.
Add config transform to web.aspnet
Fix AppRelativePath.
Gracefully handle duplicate cookies
Merge branch 'master' into HEAD
Version 0.0.2
Include build number in prerelease semantic versioning.

This necessitates a bit of a hack as NuGet does not fully support the semantic
versioning standard in semver.org: you only get one component for your
prerelease label.
Remove redundant RoutingHelpers class.
Fix invocation of NUnit GUI.
RouteTable should return a list of all matching routes, not just one.
Allow routes to have multiple definitions.

When there is more than one definition for a route, all handlers will be invoked
until one of them returns a non-null result.
Verify that we are favouring specific routes over arguments.