feat: add "MediaQuery.upTo()" and support of "down" mq to "MediaQuery.is()"
feat: add "MediaQuery.upTo()" and support of "down" mq to "MediaQuery.is()"

zurb/foundation,zurb/foundation-sites,DaSchTour/foundation-sites,zurb/foundation,zurb/foundation,zurb/foundation-sites,DaSchTour/foundation-sites,zurb/foundation-sites