Yii Validator 1.4

Yii Validator包更新了以下增强和修复：

• added getFirstErrorMessagesIndexedByPath() and getFirstErrorMessagesIndexedByAttribute() methods to Result;
• added rules for validating value types - boolean , float , integer , string ;
• added Result::add() method for merging other results to the base one;
• added UniqueIterable rule;
• added AnyRule rule.