Removed 'missing file'.
Made 'ShouldHaveContentType' assertion public.
Added tests for cookies.
Refactored cookie assertion.
Breaking change: moved 'HttpResponse' to 'Advanced.
Renamed SimulatedWorkerRequest and SimulatedResponse to CrowbarHttpWorker and CrowbarResponse.
Renamed ISimulatedWorkerRequestContext to ICrowbarHttpWorkerContext.
Refactored 'capture' of ResponseBody.
Moved request data into CrowbarRequest.
Removed obsolete class.
Renamed ICrowbarHttpWorkerContext to ICrowbarRequest.