Update piechart.md
change to 1.1
add
Merge pull request #40 from WeweTom/patch-1

Update piechart.md
fixbugs
Merge branch 'master' of https://github.com/kissygalleryteam/kcharts
modefied
update readme
change to 1.1
添加radar和dashboard的guide
修复了纵轴的计算
change to 1.2
add demos
修复坐标bug,容器自适应
update example
Merge branch 'master' of https://github.com/kissygalleryteam/kcharts
add
add
增加了省市县数据，模拟hover和out的事件
Merge pull request #43 from NecoleYu/master

增加了省市县数据，模拟hover和out的事件