Releasing 0.6.0

Releasing 0.5.6

Added wrappers for regression evaluator and linear regression. Added …

…fixed version of quantile discretizer (with support for low variance columns)

New params for columns extractor

Merge pull request #10 from Danil328/master

Add readable to NGramExtractor

Merge pull request #5 from odnoklassniki/gaussianProcessSearch

Gaussian process search

Release 0.3

Release 0.2: GridSearch and XGBoost

Release 0.2: GridSearch and ODKL code-base integration

Published official 0.1-spark2.2