Provide more enum options for clearing ranges. - BREAKING CHANGE

Correct order of expected vs actual values in Assert.AreEqual

Fix issues with data validation rules (#718) ...

* Failing tests added

* Modified logic of cell DataValidation rules

* DataValidation.xlsx updated. It had 42 rules at sheet 2, now it has 16.

* Tests muted until formula shifting fixed

* Reading DataValidation rules for ranges made pure

* Restore DataValidation implicit creation to avoid breaking changes. Fix clearing data validation.

* Original test restored (use DataValidation instead of SetDataValidation)

Unknown changes - something to do with line endings?

Project hierarchy cleanup