Slugify given value.
    Credit to Djangoproject https://docs.djangoproject.com/en/2.0/_modules/django/utils/text/#slugify

def slugify(value):
    ''''
    Slugify given value.
    Credit to Djangoproject https://docs.djangoproject.com/en/2.0/_modules/django/utils/text/#slugify
    '''
    value = re.sub(r'[^\w\s-]', '', value).strip().lower()
    return re.sub(r'[-\s]+', '-', value)