Fix Client.unban parameter name (name -> user)
Fix Client.unban parameter name (name -> user)

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