Allow players to add targets to a new label command. It should do the following
Save to a vector of labels that store alias reference and id if mob
Don't save the vnum but the actual id of the mob in the mob list
Allow for labels to be on both NPCs and same side players
Has to be in the room for it to work
Don't save over rent or boot
> label horse mine
A brown horse is now labeled as "mine."
> lose mine
A brown horse stops following you.
> lead mine
A brown horse starts following you.
Allow players to add targets to a new
labelcommand. It should do the following