| ⇢ | A | NotEqualDataException added | |
| ⇢ | A | DataFilter added | |
| ⇢ | A | KeyNotExistsException added |
| ⇢ | A | DataFilter::containsItem() added | |
| ⇢ | A | DataFilter::contains() added | |
| ⇢ | A | KeyNotExistsException::__construct() added | |
| ⇢ | A | NotEqualDataException::__construct() added | |
| ⇢ | A | DataFilter::loadData() added | |
| ⇢ | A | DataFilter::reset() added |