return a list of all classes in the given module
    that dont begin with '_'

def getAvailableClassesInModule(prooveModule):
    """
    return a list of all classes in the given module
    that dont begin with '_'
    """
    l = tuple(x[1] for x in inspect.getmembers(prooveModule, inspect.isclass))
    l = [x for x in l if x.__name__[0] != "_"]
    return l