Adapte le code pour passer de pyton 2.x à python 3.x.
Updates the indentation to better comply the PEP-8. Some changes remains to be done.
Substitutes all DIRECTIONS['dir'] by DIR_dir.
Fixes bugs produced by last commit.
Improves Hero class to allow an easier use of it and uptades main.py.
Removes useless operations in Hero.move().
Factorizes Hero.update() by using Hero.update_now().
Corrects some mistakes in class Hero.
Corrects some remaining mistakes.
Merge pull request #2 from loukiluk/hero_improvements

Hero improvements