Added handling of KeyboardInterrupt.
Added handling of KeyboardInterrupt.

kentzzhang/locust,rackerlabs/locust,doctoryes/locust,moongtaeng/locust,cloudant/locust,pan1cz/locust,moongtaeng/locust,RollForReflex/locust,yangchaogit/locust,locustio/locust,scalp42/locust,dmoliveira/locust,fengshao0907/locust,kentzzhang/locust,kentzzhang/locust,dmoliveira/locust,dmoliveira/locust,kentzzhang/locust,fordhurley/locust,pglass/locust,kyroskoh/locust,timaakulich/locust,rohitgup14/locust,leo23/locust,doctoryes/locust,pmdarrow/locust,normanb/locust,noif/locust,yangchaogit/locust,lixar/locust,agoragames/locust,ismail-s/locust,cgoldberg/locust,pglass/locust,doctoryes/locust,harrisonfeng/locust,cgoldberg/locust,TZer0/locust,Diogo-Costa/locust,bugsduggan/locust,leo23/locust,mbeacom/locust,pmdarrow/locust,mbeacom/locust,pmdarrow/locust,leo23/locust,noif/locust,fengshao0907/locust,jaume-pinyol/locust,fordhurley/locust,jaume-pinyol/locust,yangchaogit/locust,scalp42/locust,lixar/locust,nagyistoce/locust,mbeacom/locust,armersong/locust,jacobgardner/locust,donglei/locust,rohitgup14/locust,locustio/locust,wndhydrnt/locust,edx/locust,cpennington/locust,liubq919/locust,santiavenda2/locust,fengshao0907/locust,dmoliveira/locust,yangchaogit/locust,moongtaeng/locust,lixar/locust,liubq919/locust,RollForReflex/locust,minhoryang/locust,kyroskoh/locust,edx/locust,santiavenda2/locust,bugsduggan/locust,timaakulich/locust,rohitgup14/locust,pglass/locust,cpennington/locust,rohitgup14/locust,nagyistoce/locust,jaume-pinyol/locust,donglei/locust,fordhurley/locust,wndhydrnt/locust,minhoryang/locust,kyroskoh/locust,cloudant/locust,nagyistoce/locust,moongtaeng/locust,harrisonfeng/locust,agoragames/locust,pan1cz/locust,lixar/locust,ismail-s/locust,minhoryang/locust,agoragames/locust,jacobgardner/locust,rackerlabs/locust,timaakulich/locust,heyman/locust,harrisonfeng/locust,Diogo-Costa/locust,wndhydrnt/locust,noif/locust,TZer0/locust,santiavenda2/locust,cpennington/locust,normanb/locust,edx/locust,cloudant/locust,ismail-s/locust,locustio/locust,normanb/locust,RollForReflex/locust,noif/locust,pan1cz/locust,jacobgardner/locust,Diogo-Costa/locust,fengshao0907/locust,cgoldberg/locust,armersong/locust,Diogo-Costa/locust,edx/locust,locustio/locust,liubq919/locust,bugsduggan/locust,armersong/locust,TZer0/locust,leo23/locust,donglei/locust,doctoryes/locust,RollForReflex/locust,wndhydrnt/locust,cpennington/locust,donglei/locust,mbeacom/locust,scalp42/locust,rackerlabs/locust,cloudant/locust,armersong/locust