| ⇢ | A | StringHelper added |
| ⇢ | A | SecurityHelper::generateRandomKey() added | |
| ⇢ | A | SecurityHelper::unmaskToken() added | |
| ⇢ | A | SecurityHelper::maskToken() added | |
| ⇢ | A | SecurityHelper::__construct() added | |
| ⇢ | A | StringHelper::byteSubstr() added | |
| ⇢ | A | StringHelper::base64UrlDecode() added | |
| ⇢ | A | StringHelper::byteLength() added | |
| ⇢ | A | StringHelper::base64UrlEncode() added |