'Fixes some things in the cmdclass'

def __init__(cls, *args, **kwargs):

    if ((not hasattr(cls, 'key')) or (not cls.key)):
        cls.key = cls.__name__
    cls.path = ('%s.%s' % (cls.__module__, cls.__name__))
    if (not (type(cls.key_mergetypes) == dict)):
        cls.key_mergetypes = {}
    super(_CmdSetMeta, cls).__init__(*args, **kwargs)
