Created HttpClient for making requests and responses.
Updated LookupHandler to only process if NotFound is the status.
Refactored HttpRequest back to a case class.
Migrated cookie parsing functionality into HttpRequestHeaders.
Added convenience methods byCode and getByCode to HttpResponseStatus.
Added convenience method for URL.apply to parse instance and throw an exception if there's a problem.
Added new Proxy infrastructure and deprecated the old. New structure allows extremely powerful manipulation of inbound and outgoing requests / responses.
Added ignored headers in ServletConversion for exposed functionality in Content.