bump version
fix shortest column calculation to favour left hand columns if equal height
allow actual function instead of only string for `columns` object
improve init/watch sequence to allow nested collection
fix undefined watcher
send options as param to columns callback function
add dummy columns initially in order to extract size
make columns default to 'auto' (use size set by CSS), throttle resize event
get initial columns value after dom init
slightly improve initial layout performance
reset items by default (currently only retrigger autoplay)
big performance improvement
fix column assignment
fix reflow on column change
hacky fix