protected HttpRequest closeOutputQuietly() throws HttpRequestException {
    try {
      return closeOutput();
    } catch (IOException e) {
      throw new HttpRequestException(e);
    }
  }
Call {@link #closeOutput()} and re-throw a caught {@link IOException}s as
an {@link HttpRequestException}

@return this request
@throws HttpRequestException
lib/src/main/java/com/github/kevinsawicki/http/HttpRequest.java