sepandhaghighi/pycm: Version 1.5

Relative Classifier Information (RCI) added #82 Discriminator Power (DP) added #104 Youden's Index (Y) added #105 Discriminant Power Interpretation (DPI) added #107 Positive Likelihood Ratio Interpretation (PLRI) added #106 __len__ method added relabel method added #98 __class_stat_init__ function added __overall_stat_init__ function added matrix attribute added #99 normalized_matrix attribute added #99 normalized_table attribute added #99 Python 3.7 added to .travis.yaml & appveyor.yml README.md modified Document modified LR+ renamed to PLR LR- renamed to NLR normalized_matrix method renamed to print_normalized_matrix #99 matrix method renamed to print_matrix #99 entropy_calc fixed cross_entropy_calc fixed conditional_entropy_calc fixed print_table bug for large numbers fixed JSON key bug in save_obj fixed #108 transpose bug in save_obj fixed #10