Recommended:
Set use player UUIDs in variable names to true
How to enable this, Click here for tutorial

Commands:
/gm <number> - Change your's gamemode"
/ks <none> - Sending info of Script"
/home - Teleporting you to home
/sethome - Set yours home

Permissions:
koteczek.gm - /gm
koteczek.home.set - /sethome
koteczek.home.use - /home​