code: public static void doPriorityEnqueue(final Jedis jedis, final String namespace, final String queue, final String jobJson) {
          jedis.sadd(JesqueUtils.createKey(namespace, QUEUES), queue);
          jedis.lpush(JesqueUtils.createKey(namespace, QUEUE, queue), jobJson);
      }
docs: Helper method that encapsulates the minimum logic for adding a high
  priority job to a queue.
  
  @param jedis
  the connection to Redis
  @param namespace
  the Resque namespace
  @param queue
  the Resque queue name
  @param jobJson
  the job serialized as JSON