Fixed the tabbing issue on horizontal steppers (https://github.com/Kinark/Materialize-stepper/issues/49) and adds "only one element" exceptions to add/removeMultipleEventListeners functions
Fixed the tabbing issue on horizontal steppers (https://github.com/Kinark/Materialize-stepper/issues/49) and adds "only one element" exceptions to add/removeMultipleEventListeners functions

Kinark/Materialize-stepper,Kinark/Materialize-stepper