Added
* Add `model_selection.outlier.RepeatedOutlierSplit` to cross-validate
outlier detection algorithms
Fixed
* Fix bug in `filter` of `datasets.load_datasets`
* Fix the number of outliers when setting `n_outliers` to `None` for
`KMeansLabeler`
* Fix the number of outliers when setting `n_outliers` to `float` for
`MinorityLabeler`