| ⇢ | A | Sanitizer added | |
| ⇢ | A | SanitizerFactory added | |
| ⇢ | A | SanitizerNormalizer added | |
| ⇢ | A | SingleValidatorAbstract added | |
| ⇢ | A | ValidatorNormalizer added | |
| A | ↛ | RuleNormalizer removed |
| ⇢ | D | ValidatorNormalizer::normalize() added | |
| ⇢ | C | Validator::checkSingle() added | |
| ⇢ | B | Validator::checkChildren() added | |
| ⇢ | A | Sanitizer::__construct() added | |
| ⇢ | A | Sanitizer::sanitize() added | |
| ⇢ | A | SanitizerFactory::__construct() added | |
| ⇢ | A | SanitizerNormalizer::normalize() added | |
| ⇢ | A | SanitizerFactory::factory() added | |
| ⇢ | A | SingleValidatorAbstract::__construct() added | |
| C | ↗ | A | Validator::check() improved |
| C | ↛ | RuleNormalizer::normalize() removed | |
| B | ↛ | Validator::checkIterator() removed |