A subclass of UIImagePIckerController that support multi select.

• Drag MSImagePicker to your project.
• #import "MSImagePickerController.h"

  MSImagePickerController* picker = [[MSImagePickerController alloc] init];
  picker.msDelegate = self;

• implementation MSImagePickerDelegate.

• ios7 or higher.

• The PUCollectionView's base class is UICollectionView, so we can reset it's delegate.
• Through runtime we can customized it's method

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