Merge pull request #486 from glaslos/optimized_lrem

lrem only first occurrence of the job id (we expect only one)

rq/queue.py

@@ -142,9 +142,9 @@ class Queue(object):
         job_id = job_or_id.id if isinstance(job_or_id, self.job_class) else job_or_id
 
         if pipeline is not None:
-            pipeline.lrem(self.key, 0, job_id)
+            pipeline.lrem(self.key, 1, job_id)
 
-        return self.connection._lrem(self.key, 0, job_id)
+        return self.connection._lrem(self.key, 1, job_id)
 
     def compact(self):
         """Removes all "dead" jobs from the queue by cycling through it, while