revanalyzer.vectorizers

Vectorizers for vector metrics.

`revanalyzer.vectorizers.basic_vectorizer`	Definition of basic vectorizer
`revanalyzer.vectorizers.cf_vectorizer`	Definition of CF vectorizer
`revanalyzer.vectorizers.direct_vectorizer`	Definition of direct vectorizer
`revanalyzer.vectorizers.hist_vectorizer`	Definition of histogram vectorizer
`revanalyzer.vectorizers.landscape_vectorizer`	Definition of Landscape vectorizer, used in PD vectorization.
`revanalyzer.vectorizers.persistence_image_vectorizer`	Definition of Persistence Image vectorizer, used in PD vectorization.
`revanalyzer.vectorizers.silhouette_vectorizer`	Definition of Silhouette vectorizer, used in PD vectorization.
`revanalyzer.vectorizers.simple_binning_vectorizer`	Definition of Simple Binning vectorizer, used in PD vectorization.