Implement the close and revert menu choices, as well as PC editor help

- Fix storing directions in save file as control characters

src/pcedit/pc.menus.mac.mm

@@ -75,6 +75,7 @@ void init_menubar() {
 	MenuHandler* handler = [[[MenuHandler alloc] init] retain];
 	setMenuCallback([apple_menu itemWithTitle: @"About BoE Character Editor"], handler, @selector(menuChoice:), int(eMenu::ABOUT));
 	setMenuCallback([apple_menu itemWithTitle: @"Quit BoE Character Editor"], handler, @selector(menuChoice:), int(eMenu::QUIT));
+	setMenuCallback([[[menu_bar_handle itemWithTitle: @"Help"] submenu] itemAtIndex: 0], handler, @selector(menuChoice:), int(eMenu::HELP_TOC));
 	
 	int i = 0;
 	for(eMenu opt : file_choices)