- version update to 1.0.7
* Improves handling of module reloading in shared libraries to avoid inter-dependencies from causing reload-order errors.
* Adds version display to the web UI home screen for all three components for clarity with style alerting when key versions mismatch.
* Also added hooks for APM to support API tuning and some backwards-compatible changes to the API for additional debugging clarity.
* Refactored build configuration into yaml files for greater extensibility.
* Updated web UI dependencies.
* Drop support for Python 3.5 now that is has passed its end-of-life date.
* Adds official support for Python 3.9 now that the DS stack libraries have released with 3.9 support as well.
* Adds handling of decimal.Decimal types in a number notebook rendering cases.
* Improved step test file matching for partial matches in cases where similar file names are found within the same project.
* Improved notebook loading within the UI application.

- do not require pytest-runner for build, not required