small fixes
Merge branch 'master' of https://github.com/ellchow/moRe
Merge branch 'master' of https://github.com/ellchow/moRe
Merge branch 'master' of https://github.com/ellchow/moRe
Merge branch 'master' of https://github.com/ellchow/moRe
Merge branch 'master' of https://github.com/ellchow/moRe
Merge branch 'master' of https://github.com/ellchow/moRe
Merge branch 'master' of https://github.com/ellchow/moRe
num.classes hack for compatibility
fix tree index check
gbm.plot with step function
combinations and parameter scan
list naming helpers
logging levels
remove pairwise
sortable html tables
Merge branch 'master' into mp