Account Tracking

Updates the account list when the...	WHOX	account-notify	account-tag	extended-join
... bot joins a channel	X
... auth'd user joins a channel				X
... auth'd user talks			X
... user authenticates on a channel		X

WHOX	account-notify	extended-join	account-tag	The account list is accurate when...
X				... the bot joins the channel
X	X			...the bot joins the channel, and a user logs in/out when in a common channel
X	X	X		... all the time
X	X	X	X	... all the time
X		X	X	... when the bot joins the channel, when an authenticated user joins a common channel, once a user talks after authenticating
X	X		X	... when the bot joins the channel, once a user authenticates in a common channel, once an authenticated user talks after joining
X			X	... when the bot joins the channel, once an authenticated user talks after joining
... when a user authentica	X	X
	X
	X	X	X
	X		X
		X	X
		X
			X