Support iOS >= 8.0
Support iOS >= 8.0

sujianping/YOChartImageKit,andaluz/YOChartImageKit,chieryw/YOChartImageKit,colemancda/YOChartImageKit,chieryw/YOChartImageKit,andaluz/YOChartImageKit,XiaoMuGun/YOChartImageKit,colemancda/YOChartImageKit,yangyangluoluo/YOChartImageKit,esttorhe/YOChartImageKit,johndpope/YOChartImageKit,yasuoza/YOChartImageKit,johndpope/YOChartImageKit,aklokov-iOS/YOChartImageKit,esttorhe/YOChartImageKit,yangyangluoluo/YOChartImageKit,yasuoza/YOChartImageKit,XiaoMuGun/YOChartImageKit,sujianping/YOChartImageKit