systems

For now only strings are accepted as the measures parameter in GridSearchCV, RandomizedSearchCV, and cross_validate. It's thus impossible to use those with measures that take specific parameters as input (e.g. #156 ), or to use custom measures.

We should then accept callables in addition to strings.

Each callable should only take the predictions parameter. In order to handle measur

To make NLP (Natural Language Processing) better, we need to update the corpus time to time with new additions of data.

The destructor hangs at pipe.stop().