FIX problem when the base directory for the images didn't exists at first start
FIX raise exception syntax error for newer version of python
FIX conflict between SimpleCV Image class and PIL Image class
FIX correctly load the existing image instead of downloading it if it exits
Update change related to patch from the game (Unleased the hounds cost as change from 2 to 3)
FIX error when trying to run with other python interpreter
FIX error with __str__ function of heroPower class
Finish relation between cards (sorted by class)