Fix selector for NSValueTransformer +allowsReverseTransformation
Fix selector for NSValueTransformer +allowsReverseTransformation

mattt/TransformerKit,zhaoguohui/TransformerKit,gaurav1981/TransformerKit,mattt/TransformerKit,gaurav1981/TransformerKit,mattt/TransformerKit,zhaoguohui/TransformerKit