'Handle multi-word tag.
Insure there\'s a comma when there\'s only a single multi-word tag,
or tag "Multi word" would end up as "Multi" and "word".'

def value_from_datadict(self, data, files, name):

    value = super(TaggitSelect2, self).value_from_datadict(data, files, name)
    if (value and (',' not in value)):
        value = ('%s,' % value)
    return value
