Allow @'s

Allows to specify a player in a range, nearest, all, and entitys

Help with other plugins and thing mainly I need it for the things I the am working on.

I would like if you do that and for reading have a good day bye

Not for vanilla but for outsided plugin commands like Pex, CratePlus, and etc.

similar to #2102

Duplicate of #2102 - see this response for the current state of command selectors.