- Add support for Python 3.4 up to 3.6, PyPy2 and PyPy3.
0.9.1
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- Using Python's ``doctest`` module instead of depreacted ``zope.testing.doctest``.
- Allowing in step complete check that values are not existing on context. This is consistent with the way `z3c.form` handles not existing values.
0.9.0
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- Avoid `z3c.form.testing` in tests: It depends on `lxml`, but `lxml` features are not needed here.
- Using ``requiredInfo`` property to render the information about required fields. This property returns an i18n message id making the information translateable.