docs: def karma(nick, rest):
  	"Return or change the karma value for some(one|thing)"
  	karmee = rest.strip('++').strip('--').strip('~~')
  	if '++' in rest:
  		Karma.store.change(karmee, 1)
  	elif '--' in rest:
  		Karma.store.change(karmee, -1)
  	elif '~~' in rest:
  		change = random.choice([-1, 0, 1])
  		Karma.store.change(karmee, change)
  		if change == 1:
  			return "%s karma++" % karmee
  		elif change == 0:
  			return "%s karma shall remain the same" % karmee
  		elif change == -1:
  			return "%s karma--" % karmee
  	elif '==' in rest:
  		t1, t2 = rest.split('==')
  		try:
  			Karma.store.link(t1, t2)
  		except SameName:
  			Karma.store.change(nick, -1)
  			return "Don't try to link a name to itself!"
  		except AlreadyLinked:
  			return "Those names were previously linked."
  		score = Karma.store.lookup(t1)
  		return "%s and %s are now linked and have a score of %s" % (t1, t2, score)
  	else:
  		karmee = rest or nick
  		score = Karma.store.lookup(karmee)
  		return "%s has %s karmas" % (karmee, score)