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- Fix bug related to Datagridfield providing empty rows
- Fix type confusion after roundtrip by forcing every value to type string
- Use plain string comparison for hide_values instead of python expressions evaluating to a value or a collection
- Refine the slave fields widget descriptions regarding the method fields
- Replace eval by Plone's tales expressions
- Add documentation
- Validator for toggle and vocabulary expressions and runtime exception logging
- Hide fields in navigationq (as PFG does)
- Do not subject the fields to workflows (as PFG doesn't)