Added enum creation (faire_des_enums_en_python.py)

article http://sametmax.com/faire-des-enums-en-python/
2012-12-19
Added fun with id() and None. (id_none_et_bidouilleries_memoire.py)

Article http://sametmax.com/id-none-et-bidouilleries-memoire-en-python/
Date : 2012-11-10
Merge pull request #2 from darkrecher/master

Ajout du code de mes deux autres articles