Return stack trace if any exception

[bwalsh]

• stack trace should be added to logs here: https://github.com/ACED-IDP/aced_etl_pod/blob/development/etl-job/fhir_import_export.py#L248
• do not log LOADED message here: https://github.com/ACED-IDP/aced_etl_pod/blob/development/etl-job/fhir_import_export.py#L249

[matthewpeterkort]

• stack trace should be added to logs here: https://github.com/ACED-IDP/aced_etl_pod/blob/development/etl-job/fhir_import_export.py#L248

Seems like the above issue has been resolved here: https://github.com/ACED-IDP/aced_etl_pod/blob/feature/empty-project/etl-job/fhir_import_export.py#L347

* do not log LOADED message here: https://github.com/ACED-IDP/aced_etl_pod/blob/development/etl-job/fhir_import_export.py#L249

Not sure what the above issue is referring to.