[step] added a simple step extension that enables stepping without considering sub-slides.
[step] added a simple step extension that enables stepping without considering sub-slides.

ProgRT/deck.js,ProgRT/deck.js,alexjobs/deck.js-1,alexjobs/deck.js-1,twitwi/deck.js,ProgRT/deck.js,twitwi/deck.js,twitwi/deck.js,alexjobs/deck.js-1