module Hashie::Extensions::MethodQuery

def method_missing(name, *args)
  if args.empty? && name.to_s =~ /(.*)\?$/ && (key?(Regexp.last_match[1]) || key?(Regexp.last_match[1].to_sym))
    return self[Regexp.last_match[1]] || self[Regexp.last_match[1].to_sym]
  end
  super
end