module HTTParty::ModuleInheritableAttributes::ClassMethods

def mattr_inheritable(*args)
  @mattr_inheritable_attrs ||= [:mattr_inheritable_attrs]
  @mattr_inheritable_attrs += args
  args.each do |arg|
    module_eval %(class << self; attr_accessor :#{arg} end)
  end
  @mattr_inheritable_attrs
end