Complex numbers

[TBER Abdelmalek]

This module implements cplx class (complex numbers) regardless to the built-in class.
The main goal of this module is to propose some improvement to complex numbers in python and deal with them from a mathematical approach. 
Also cplx class doesn't support the built-in class intentionally, as the idea was to give an alternative to it.
With the hope I managed to succeed, here is the module :

https://drive.google.com/file/d/0BwTeOOKgEM4aS1JlWUpnZHUwaGs/view?usp=sharing