Added Forecasting modules for all pytorch networks.

Fixed HongTan model.

Fixed optimizer and added validation step

New setup for compatibility with newer versions of python, torch and tensorflow.

Fixed installation.

Removed unused parameters and changed the documentation.

Fixed installation for gpu clusters.

New version of the library. All testing is done.

Working version ready for PyPi.

The main name has chaged, a new method has been added (HongTan).