Leaver usage
leaver disable | Disables leaver leaver enable | Enables sending messages when a user leaves leaver setchannel <#> | Sets the channel that leaver will use leaver setmessage <...> | Sets the message that leaver will use leaver test [@] | Texts your current welcomer leaver against yourself or a mentioned user leaver useembed [enable/disable] | Toggles if leaver should use embeds
