# File lib/travis/client/singleton_setting.rb, line 20
      def update(values = {})
        values = { 'value' => values } unless values.is_a? Hash
        values.each { |key, value| attributes[key.to_s] = value.to_s }
        session.patch_raw(path, JSON.dump(self.class.one => attributes))
        reload
      end