优化

• Radio: v-model 支持 Number. #203
• Toast: txt 支持传入 HTML 内容
• Picker: title and subtitle 支持传入 HTML 内容
• DatePicker: 减少初始化数据的时耗，#197
• IndexList: 支持 pullup、pulldown 插槽

Fixes

• Picker: 修复按钮标题栏样式bug
• Select: 修复 placeholder 的颜色bug #204
• Input, Form, Switch: 修复 iOS 8 flex bug.
• Radio: 修复 iOS 8 currentColor bug.
• TimePicker: 修复delay 超过一天时日期不对的 bug.
• Style: 修复 box-sizing 问题 #216

Improvements

• Radio: v-model support number. #203
• Toast: Support HTML txt content.
• Picker: Support HTML title and subtitle content.
• DatePicker: Reduce the time of generating data. #197
• IndexList: Support the slot of pullup and pulldown.

Fixes

• Picker: Fix the style bug of button and title.
• Select: Fix placeholder color. #204
• Input, Form, Switch: Fix iOS 8 flex bug.
• Radio: fix iOS 8 currentColor bug.
• TimePicker: Fix day filter bug.
• Style: Fix box-sizing bug. #216