def parse_response(response)
      check_version_and_warn(response.headers[X_KONTENA_VERSION])

      if response.headers[CONTENT_TYPE] =~ JSON_REGEX
        parse_json(response)
      else
        response.body
      end
    end
def parse_response(response)
      check_version_and_warn(response.headers[X_KONTENA_VERSION])

      if response.headers[CONTENT_TYPE] =~ JSON_REGEX
        parse_json(response)
      else
        response.body
      end
    end
Parse response. If the respons is JSON, returns a Hash representation.
 Otherwise returns the raw body.

 @param [Excon::Response]
 @return [Hash,String]