Allow multiple mouse reporting modes to be set/clear by passing array

This (ever so slightly) optimizes the transmtited ANSI sequences

exec/load/ansiterm_lib.js

@@ -155,6 +155,9 @@ function mouse_reporting_modes(mode)
 	if(mode == 'all')
 		for(var i in defs.mouse_reporting)
 			list.push(defs.mouse_reporting[i]);
+	else if(typeof mode == 'array')
+		for(var i in mode)
+			list.push(defs.mouse_reporting[mode[i]]);
 	else
 		list.push(defs.mouse_reporting[mode]);
 	return list.join(";");