Fhir.resources

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- ``FHIRAbstractModel::element_properties`` class method now available, which returning generator of ``ModelField``,
those are elements of the resource.

- Minor fixes on ``enum_values``.

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Revolutionary evolution has been made, now fully rewritten with modern python, underlying APIs (almost all) have been changed.
Please have look at readme section, for howto.

Improvements

- Full support of FHIR `Extensibility <https://www.hl7.org/fhir/extensibility.html>`_ for `Primitive Data Types <https://www.hl7.org/fhir/datatypes.html#primitive>`_

Breaking

- Drop support for python 2.7.

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Improvements

- FHIR ``STU3`` release version upgraded from ``3.0.1`` to ``3.0.2``, Please find changes history here https://www.hl7.org/fhir/history.html.

- FHIR ``R4`` release version upgraded from ``4.0.0`` to ``4.0.1``, find changes history here https://www.hl7.org/fhir/history.html.

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Bugfixes:

- `Issue5 <https://github.com/nazrulworld/fhir.resources/issues/5>`_ confusing error message "name 'self' is not defined" [nazrulworld]

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- Nothing but release stable version.

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New features

- Isuue1 `Add DSTU2 Support <https://github.com/nazrulworld/fhir.resources/issues/1>`_