Make Client.unban actually useful.
Make Client.unban actually useful.

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