code: private String getLogString(String message, String taskName) {
  		return RegularPactTask.constructLogString(message, taskName, this);
  	}
docs: Utility function that composes a string for logging purposes. The string includes the given message and
  the index of the task in its task group together with the number of tasks in the task group.
  
  @param message The main message for the log.
  @param taskName The name of the task.
  @return The string ready for logging.