1.0.13

1.还是去掉babel-polyfill,减小体积
2.fix webpack源码内部sourcemap的问题，改为cheap-source-map

1.0.12

uploader.size() fixed.

1.0.11

1.迁移到webpack构建
2.升级到typescript2.3构建
3.babel-polyfill
4..d.ts声明文件输出