v0.12.0

• fixed bugs
  • wrong calculation of friedrich coefficients
  • feature selection selected too many features
  • an ignored max_timeshift parameter in roll_time_series
• add deprecation warning for python 2
• added support for index based features
• new feature calculator
  • linear_trend_timewise
• enable the RelevantFeatureAugmenter to be used in cross validated pipelines
• increased scipy dependency to 1.2.0