New commands
/query nickname - open a query window
/chansettings - opens the channel settings for active channel window

New script functions
$Input(Caption, Label)
- Shows a box with one input line for text
- Returns the inputted text (use $Button function to see which button
was pressed)
$MsgBox(Type, Caption, Label[, buttons])
- Show a message box with warning, error icons, etc
- Returns the button pressed
- If buttons param is used:
-- o=ok button, c=cancel button, q=yes and no buttons