Split roll_vocab in 3 functions
Split roll_vocab in 3 functions

Also correct indentation

OlafLee/LV_groundhog,sebastien-j/LV_groundhog,sebastien-j/LV_groundhog,OlafLee/LV_groundhog,vseledkin/LV_groundhog,vseledkin/LV_groundhog,sebastien-j/LV_groundhog,vseledkin/LV_groundhog,OlafLee/LV_groundhog,sebastien-j/LV_groundhog,vseledkin/LV_groundhog,vseledkin/LV_groundhog,sebastien-j/LV_groundhog,vseledkin/LV_groundhog,OlafLee/LV_groundhog,OlafLee/LV_groundhog,OlafLee/LV_groundhog,sebastien-j/LV_groundhog