class RodaSessionMiddleware

def initialize(app, opts)

Setup the middleware, passing +opts+ as the Roda sessions plugin options. 
def initialize(app, opts)
  mid = Class.new(Roda)
  mid.plugin :sessions, opts
  @req_class = mid::RodaRequest
  @req_class.send(:include, RequestMethods)
  @app = app
end