6.0.0

⚠️ There are multiple breaking changes from 5.7.0 -> 6.0.0 , please read the documentation ⚠️

https://flask-imp.readthedocs.io/en/latest/

• simplify flask_imp.security.checkpoint decorator by adding checkpoint types
• bug fixes
• move checkpoints to package
• replaced import_app_resources with import_resources and made it more scoped towards
  importing and setting up factories. Static and template folder settings moved back to
  being set in the Flask object creation.
• factories are now mandatory when using import_resources
• Update CLI init command to reflect method replacement.
• Update Docs to reflect method import_app_resources replacement.
• Actually return ImpBlueprint.as_flask_blueprint as a Flask Blueprint
• replace pass_function_check with checkpoint_callable
• add APIKeyCheckpoint
• refactor all checkpoint args
• add utilities.lazy_url_for
• add utilities.lazy_session_get
• update overall docs

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• 6.0.0 beta-> 6.0.0 by @CheeseCake87 in #25