Add a warning message about rogue presences
Add a warning message about rogue presences

A rogue presence is a presence in a server's data that has not had its corresponding member sent. Previously they were just ignored - now they're not anymore

Roughsketch/discordrb,Roughsketch/discordrb,meew0/discordrb,meew0/discordrb,VxJasonxV/discordrb,VxJasonxV/discordrb