Merge pull request #1 from mudzereli/master

optional command menu usage
credits to Mudzereli for commanding menu
cmd menus

Ability to use commanding menus, thanks Mudzereli
Merge pull request #2 from mudzereli/master

Toggle between CMD and Action
Menu toggle, tutorial update
Toggleable menus readme
adjust bottom stair snap point

align it horizontally with the top snap point
Merge pull request #4 from mudzereli/patch-1

adjust bottom stair snap point
upstream updates