Add a note to Channel#prune that we're gonna run into rate limits now...
Add a note to Channel#prune that we're gonna run into rate limits now...

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