v1.1.4
add protobuf binding for gin
Merge branch 'new-binding-validator' of https://github.com/zhing/gin into zhing-new-binding-validator
Merge branch 'bind_test' of https://github.com/honteng/gin into honteng-bind_test
Updates Validator + unit tests
Removes unused underscore
More unit tests for form binding
lint code