| ⇢ | A | ArrayHelper added | |
| ⇢ | A | TypeHelper added |
| ⇢ | A | ArrayHelper::checkIfKeysNotExist() added | |
| ⇢ | A | ArrayHelper::checkIfKeyNotExist() added | |
| ⇢ | A | TypeHelper::checkIfTypeMismatch() added | |
| A | ↛ | Client::exceptionIfKeyNotExist() removed | |
| A | ↛ | Config::exceptionIfKeyNotExist() removed | |
| A | ↛ | Config::exceptionIfTypeMismatch() removed |