def method_missing(meth, *args, &block)
      if (po = __proxy_options__) && po.respond_to?(meth.to_s)
        po.send(meth.to_s, *args, &block)
      else
        super
      end
    end
def method_missing(meth, *args, &block)
      if (po = __proxy_options__) && po.respond_to?(meth.to_s)
        po.send(meth.to_s, *args, &block)
      else
        super
      end
    end
for everything else, send to the proxied NAMESPACE handler
 at this point it really just enables dynamic options writers