fixing regression, adding back KeyboardInterrupt exception handler
fixing regression, adding back KeyboardInterrupt exception handler

ChihChengLiang/python-rtmbot,erynofwales/ubot2,cworth-gh/stony,jammons/python-rtmbot,erynofwales/ubot2,slackhq/python-rtmbot,SovcikJoe/python-rtmbot,henryfjordan/incident-commander,pyamanak/oithdbot,aerickson/python-rtmbot