Features
- !249 adds the `set_tick_locators` and `set_tick_formatters` methods to the `PlotHelper` to enable advanced tick settings.
- !243 implements [error handling](https://dantro.readthedocs.io/en/latest/data_io/transform.html#error-handling) into the data transformation framework
- !243 integrates error handling into the `MultiversePlotCreator` to allow selecting plot data from parameter spaces with missing data (256)
Enhancements
- !247, !248, and !250 make dependency version specifications more compatible and make testing infrastructure more robust
- !243 slightly extends the available data operations