'Look at `setup.cfg` and return one of ["auto", True, False] indicating
if the package is at default state ("auto"), forced by the user (case
insensitively defined as 1, true, yes, on for True) or opted-out (case
insensitively defined as 0, false, no, off for False).'

@classmethod
def get_config(cls):

    conf = cls.default_config
    if ((config is not None) and config.has_option(cls.config_category, cls.name)):
        try:
            conf = config.getboolean(cls.config_category, cls.name)
        except ValueError:
            conf = config.get(cls.config_category, cls.name)
    return conf
