code: @Override
      public List<Asset> getAllAssets() throws IOException, RequestFailureException {
          HttpURLConnection connection = createHttpURLConnectionToMassive("/assets");
          connection.setRequestMethod("GET");
          testResponseCode(connection);
          return JSONAssetConverter.readValues(connection.getInputStream());
      }
docs: This method will issue a GET to all of the assets in massive
  
  @return A list of all of the assets in Massive
  @throws IOException
  @throws RequestFailureException