Turn on "use strict" and fix up the few errors
Turn on "use strict" and fix up the few errors

ndmitchell/shake,nh2/shake,nh2/shake,nh2/shake,ndmitchell/shake,nh2/shake,nh2/shake,ndmitchell/shake,ndmitchell/shake,ndmitchell/shake,ndmitchell/shake