hook_into_yaml_loading

# File actionpack/lib/action_controller/metal/strong_parameters.rb, line 762
    def self.hook_into_yaml_loading # :nodoc:
      # Wire up YAML format compatibility with Rails 4.2 and Psych 2.0.8 and 2.0.9+.
      # Makes the YAML parser call `init_with` when it encounters the keys below
      # instead of trying its own parsing routines.
      YAML.load_tags["!ruby/hash-with-ivars:ActionController::Parameters"] = name
      YAML.load_tags["!ruby/hash:ActionController::Parameters"] = name
    end