The InheritedKeysDict class.
Integration of Mapper in the Fetcher for programmatic placeholder-mapping.
Filtering logic for Mapper.
The plottting.pi_ticks-function to plot an (X-)axis in terms of PI.
Dvdrental testcase and docs running against a docker DB (not in CI)
More plotting functions.
Improved dependency management. Added new dependency groups translation and plotting to be installed as extras.