ImagePicker 1.0.8

add oncancel

ImagePicker 1.0.7

add method return

ImagePicker 1.0.6

add clear cache 3days after

ImagePicker 1.0.5

add ImagePickerHelper.get()

ImagePicker 1.0.4

androidX to support

ImagePicker 1.0.3

add file delete

ImagePicker 1.0.2

fix gallery camera path

ImagePicker 1.0.1

调用系统的相机拍照、相册选取图片，调用系统的裁剪进行图片裁剪等功能。修复4.4、7.0的uri问题，修复拍照图片旋转问题。