class Aruba::ConfigWrapper

def method_missing(name, *args, &block)

queue, that the user changes the value of "option1"
If one method ends with "=", e.g. ":option1=", then notify the event

Proxy all methods
def method_missing(name, *args, &block)
  notify(name, args) if name.to_s.end_with?("=")
  return config.send(name, *args, &block) if config.respond_to? name
  super
end