Well, you asked for it enough, now you have it.

Vertical swiping. Thats right, VERTICAL SWIPING, via the verticalSwiping option. Use it responsibly.
Grid mode. Yup. Grid mode. Use the rows option to specify rows and slidesPerRow to set how many slides per row
Bug Fixes
data-attr setting slick instances aren't automatically initialized anymore. It presented a security vulnerability.