Import object by name (point-path).
    Example:
        MyForm = load_object_by_name('myapp.forms.MyAnyForm')

def load_object_by_name(obj_name):
    """
    Import object by name (point-path).
    Example:
        MyForm = load_object_by_name('myapp.forms.MyAnyForm')
    """
    parts = obj_name.split('.')
    t = __import__('.'.join(parts[:-1]), fromlist=(parts[-1],))
    return getattr(t, parts[-1])