Of course, test coverage is not a measure of quality, however it does give you an idea of how much of the code is tested.

To that end the test coverage needs to be increased so any help adding tests would be very grateful.

• fhir.resources version: latest
• Python version: 3.6+
• Operating System: MAC/Windows/Linux

Description

would like to add native YAML support so that a Resource object can be created from YAML object or file and serialize as a YAML string.

e.g:

>>> from fhir.resources.organization import Organization
>>> from fhir.resources.address import Address
>>> yaml_str = '''
resour