python: extend the bindings
WORKING:
- Mailbox::put and Mailbox::get
- simgrid.Actor.create("name", Fafard, callable)
(with callable being either a function or an object implementing __call__(self)
- simgrid.Actor.create("name", Fafard, callable, param1, param2)
(with callable taking 2 parameters)
- e.register_function("name", fun)
(with fun being a function taking a tuple parameter)
NOT WORKING
- e.register_function("name", class)
(with class being a class name implementing __init__(self, *args))
