This is a fork of the original PsudoCommands plugin that can be found here : https://github.com/ZombieStriker/PsudoCommands
I fixed some bug and added feature more reliable to the new 1.13 selector minecraft version. If ZombieStriker wants me to PR this fork I can do it !
Link to the spigot page of this fork : https://www.spigotmc.org/resources/83535/