SYNTAX: win bind <screen name>
	Binds a screen name to the current window. Pork allows for an unlimited number of screen names to be signed on at the same time. Each window has 0 or 1 screen names bound to it. Any commands executed in a window are executed on behalf of the screen name that is bound to the window.

PARAMETERS
	<screen name>: The screen name to bind to the current window.
