pre release

What's missing before actual release:

• Functionalities
  • Figure out SQLAlchemy cascading policy
  • S3 File management (delayed until our testing bucket is up again).
  • A comprehensive error definition and catching within the codebase
  • Check user defined permissions on the fly
  • Check some marshmallow fields against onthologies
  • Optional
    • PATCH / PUT
    • Keycloak Update/Delete
• Care
  • Unit tests
  • Package Core
    • Fix requirements dependencies
  • Documentation +> User Manual or Quickstart