Document that bot users can't use Client.accept_invite
Document that bot users can't use Client.accept_invite

lgkern/PriestPy,Rapptz/discord.py,variablehair/Eggplantato,Harmon758/discord.py,khazhyk/discord.py,imayhaveborkedit/discord.py,Harmon758/discord.py,mgardne8/discord.py,rapptz/discord.py