Changes in version 1.2.0 (2018-08-10)                  

  - added kappa statistic
  - added s3 methods for glm, lm, randomForest, merMod, and glmerMod
  - sped up auc with data.table::frankv
  - added gini

                 Changes in version 1.1.0 (2016-08-26)                  

  - added Matthews correlation coefficient (mcc)
  - added multiclass auc (mauc )
  - lots more tests
  - fixed bug when rank ties were present in auc (#10)
  - added code to handle different classes in functions

                 Changes in version 1.0.0 (2016-08-17)                  

  - Initializing package with basic metric functions