Optimize common use patterns.
Optimize common use patterns.

Most calls to stats-job are for a job currently reserved by the
caller, so check that first before doing a (slow) sequential scan
through the lists of ready and delayed jobs.

orangeholic/beanstalkd,lzpfmh/beanstalkd,amyvmiwei/beanstalkd,mobliyishengyuan/beanstalkd,amyvmiwei/beanstalkd,CompendiumSoftware/beanstalkd,qbdsoft/beanstalkd,PhillipMwaniki/beanstalkd,LomoX-Offical/beanstalkd-win,LomoX-Offical/beanstalkd-win,orangeholic/beanstalkd,tdg5/beanstalkd,justintung/beanstalkd,ifduyue/beanstalkd,pinguo-xudianyang/beanstalkd,r3jack/beanstalkd,justintung/beanstalkd,mobliyishengyuan/beanstalkd,cgvarela/beanstalkd,wfxiang08/beanstalkd,yetone/beanstalkd,handautsav/beanstalkd,potatosalad/beanstalkd,cgvarela/beanstalkd,davies/beanstalkd,naderman/beanstalkd,kr/beanstalkd,mickeyouyou/beanstalkd,bmhatfield/beanstalkd,lzpfmh/beanstalkd,handautsav/beanstalkd,mickeyouyou/beanstalkd,aidaima/beanstalkd,diditaxi/beanstalkd,wyzssw/beanstalkd,qbdsoft/beanstalkd,wfxiang08/beanstalkd,bmhatfield/beanstalkd,pinguo-xudianyang/beanstalkd,CompendiumSoftware/beanstalkd,ifduyue/beanstalkd,Qihoo360/beanstalkd-win,naderman/beanstalkd,Qihoo360/beanstalkd-win,tdg5/beanstalkd,r3jack/beanstalkd,naderman/beanstalkd,PhillipMwaniki/beanstalkd,JensRantil/beanstalkd,potatosalad/beanstalkd,yetone/beanstalkd,aidaima/beanstalkd,JensRantil/beanstalkd,davies/beanstalkd,kr/beanstalkd,diditaxi/beanstalkd,wyzssw/beanstalkd