CTGANs should reject continuous columns (opendp#434)

More docs (opendp#423)

* Document preprocess and pre_aggregated.

* Bump versions

More docs (opendp#423)

* Document preprocess and pre_aggregated.

* Bump versions

Mechanism overrides (opendp#408)

* Initial package split

* Make CI work with split packages

* Fix more namespaces

* Ignore poetry.lock

* Update CI to run only for relevant submodules

* Documentation updates

* Simplify imports

* Switch to use new opendp library

* Initial mechanism overrides

* Mechanisms report accuracy

* stash

* stash

* stash

* Remove scipy dependency

* All accuracies using opendp

* fix pip install -e for PEP 517 and 660

* Add db counts (*)

* SKIP_PANDAS is set in Spark and Postgres CI

* Documentation updates

* Doc updates

Update pyproject.toml

Update pyproject.toml

Update pyproject.toml

Update README.md

Fix links to documentation, addresses opendp#398