code: public void commitStacktraceMD5() throws IOException, ServiceException {
  
          listEntry.getCustomElements().setValueLocal(AcraReportHeader.STACK_TRACE_MD5.tagName(),
                  getStacktraceMD5());
          listEntry.update();
      }
docs: Updates the stacktrace MD5 hash on the remote Google spreadsheet.
  
  @throws ServiceException
  @throws IOException