Start adding support for rack and sinatra

lib/webrat/rack/rack_session.rb

@@ -0,0 +1,13 @@
+require 'webrat'
+
+module Webrat
+  class RackSession < Session
+    def response_body
+      @response.body
+    end
+
+    def response_code
+      @response.status
+    end
+  end
+end

lib/webrat/sinatra/sinatra_session.rb

@@ -0,0 +1,13 @@
+require 'webrat/rack/rack_session'
+require 'sinatra'
+require 'sinatra/test/methods'
+
+module Webrat
+  class SinatraSession < RackSession
+    include Sinatra::Test::Methods
+
+    def get(*args)
+      get_it(*args)
+    end
+  end
+end