spank command added. Just a suck clone

cogs/fun.py

 			roll = random.randrange(step, dice + 1, step)
 			return await self.bot.say("{} rolled a **{}**".format(ctx.message.author.mention, roll))
 
+	@bot.command(pass_context=True)
+	async def spank(self, ctx, *, user: discord.User = None):
+		"""
+		Spanks the mentioned user ;)
+		Usage:
+			{command_prefix}spank @RoxBot#4170
+			{command_prefix}spank RoxBot
+		"""
+		if not user:
+			return await self.bot.say("You didn't mention someone for me to spank")
+		return await self.bot.say(":peach: :wave: *{} spanks {}*".format(self.bot.user.name, user.name))
+
 	@bot.command(pass_context=True)
 	async def suck(self, ctx, *, user: discord.User = None):
 		"""