* Added validators for dataclass, fix#415
* Added dataclass validators
* Added dataclass validators
* Updated docs for added validating to dataclass
* Updated docs for added validating to dataclass
* Fixed line endings
* Set __validators__ type to Mapping instead of Dict
* Update History
* Use __mro__ instead of __bases__ for gather_validators
* Fix PR number
* Fix issue.rst header underline
* Fix HISTORY.rst merge conflict
* Fix utils.py merge conflict
* fix utils.py
* Rebase and other fixes
* Fix rebase and other issues
* Change history
* Remove unnecessary lines in main.py
* Rebase
* Update history
* Rename ModelType to ModelOrDc
* Added inheritance replace test
* More consiste dataclass validator tests
* fix history.
* Remove Optional ModelOrDc Type
* Fix ModelOrDc
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