Crud refactoring - removed Crud Validation, added Validator\Trait instead
Removed unused methods from Validator
Rollback ValidatorsBuilder changes
Added Validator support to Db\Row
Added method
Fixed #176
Removed unused code
Updated comments
Merge pull request #220 from AntonShevchuk/master

Crud refactoring
Removed Crud Validation, added Validator\Trait instead
Added Validator support to Db\Row