def escape_control_chars_in_object!(object)
      case object
      when String
        escape_control_chars!(object)
      when Hash
        escape_control_chars_in_hash!(object)
      when Array
        escape_control_chars_in_array!(object)
      else
        object
      end
    end
def escape_control_chars_in_object!(object)
      case object
      when String
        escape_control_chars!(object)
      when Hash
        escape_control_chars_in_hash!(object)
      when Array
        escape_control_chars_in_array!(object)
      else
        object
      end
    end
Recursively escape any control characters in `object`.