0.0.60

Added

• Preprocess module.
• Annotation format for bin plot.
• KS bucket support split pointers as bucket. #22

Changed

• Format_bins support ellipsis.
• Reverse cumulative columns in KS bucket
• Use correct order of score for auc and roc plot. #21

Fixed

• Fixed number type of x axis of badrate plot. #20
• Fixed negative ks value in KS_bucket.