docs: def decodeBase64(text, encoding='utf-8'):
      """
      Decodes a base 64 string.
      
      :param      text | <str>
                  encoding | <str>
      
      :return     <str>
      """
      text = projex.text.toBytes(text, encoding)
      return projex.text.toUnicode(base64.b64decode(text), encoding)