Added missing onStop call, moved the call after onStep is called. Fixed issue when passing a string (of an int) into the update method causes issues with the calculations.
Added missing onStop call, moved the call after onStep is called. Fixed issue when passing a string (of an int) into the update method causes issues with the calculations.

zhimin711/easy-pie-chart,rendro/easy-pie-chart,makarenok/easy-pie-chart,shahadatnb/easy-pie-chart,imskojs/easy-pie-chart,makarenok/easy-pie-chart,imskojs/easy-pie-chart,zhimin711/easy-pie-chart,fang51/easy-pie-chart,LulzAugusto/easy-pie-chart,LulzAugusto/easy-pie-chart,rendro/easy-pie-chart,grigorkh/easy-pie-chart,shahadatnb/easy-pie-chart,grigorkh/easy-pie-chart