rubberband with keep alive

gistfile1.txt

      def connect!
        unless defined?(@@patron_session)
          @@patron_session = Patron::Session.new 
          @session = @@patron_session
          @session.base_url = @server
          @session.timeout = @options[:timeout]
          @session.headers['User-Agent'] = 'ElasticSearch.rb v0.1'
          @session.headers['Connection'] = 'Keep-Alive'  
        else
          @session = @@patron_session
        end
        @request_count = 1
      end