fix to set poll_sleep_amount option
fix to set poll_sleep_amount option

carsonreinke/resque-scheduler,resque/resque-scheduler,playtestcloud/resque-scheduler,playtestcloud/resque-scheduler,guizmaii/resque-scheduler,carsonreinke/resque-scheduler,resque/resque-scheduler,guizmaii/resque-scheduler,carsonreinke/resque-scheduler,resque/resque-scheduler,guizmaii/resque-scheduler,playtestcloud/resque-scheduler