module Roda::RodaPlugins::AfterHook::ClassMethods

def include(*)

have added a _roda_after_* method.
Rebuild the _roda_after method whenever a plugin might 
def include(*)
  res = super
  meths = private_instance_methods.grep(/\A_roda_after_\d\d/).sort.map{|s| "#{s}(res)"}.join(';')
  class_eval("def _roda_after(res); #{meths} end", __FILE__, __LINE__)
  private :_roda_after
  res
end