Added code to delete the training file segments after training.  (The training file segments are generated when training starts and are needed after that.)  However, I also added a named parameter to the train function to allow you to keep the training segments if you wish.
Added code to delete the training file segments after training.  (The training file segments are generated when training starts and are needed after that.)  However, I also added a named parameter to the train function to allow you to keep the training segments if you wish.

macnod/dc-ann