Some changes in KNN
Merge branch 'master' of https://github.com/khkothar/Epidemics
Merge branch 'master' of https://github.com/khkothar/Epidemics
Merge branch 'master' of https://github.com/khkothar/Epidemics
Decision Tree Driver Program
Merge branch 'master' of https://github.com/khkothar/Epidemics