'Given a Django model field, return if it should be included in the
contributed ApiFields.'

@classmethod
def should_skip_field(cls, field):

    if isinstance(field, ForeignKey):
        return True
    if hasattr(field, u'remote_field'):
        if field.remote_field:
            return True
    elif getattr(field, u'rel'):
        return True
    return False
