use snake_to_upper instead of snake_to_upper for more go-ishness
use snake_to_upper instead of snake_to_upper for more go-ishness

jubatus/jubatus,elkingtonmcb/jubatus,gintenlabo/jubatus,rimms/jubatus,rimms/jubatus,mathn/jubatus,mathn/jubatus,roselleebarle04/jubatus,roselleebarle04/jubatus,jubatus/jubatus,gintenlabo/jubatus,elkingtonmcb/jubatus,jubatus/jubatus