* Drop support to python 2.7 and add support to python 3.8. typing package failing on py3.8 so add constraint.
1.2.8
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* Ensure the version file is closed after reading its content.
1.2.7
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* Changed how illegal XML characters are sanitized, to speed the operation. The old way was removing more characters than are required by the XML specification.
1.2.6
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* Add support for relative dates to DateTime fields.