Several errors when wp_debug is on.

I have found several errors when wp_debug is on. I would be happy to fix them and send them to you if you would be willing to add me as a contributor.

Here are the errors.

Strict standards: Declaration of Related_Sub_Items_Walker::end_el() should be compatible with Walker::end_el(&$output, $object, $depth = 0, $args = Array) in F:\_localhost\www\em\wp-content\plugins\advanced-menu-widget\advanced-menu-widget.php on line 296

Strict standards: Declaration of Related_Sub_Items_Walker::start_el() should be compatible with Walker::start_el(&$output, $object, $depth = 0, $args = Array, $current_object_id = 0) in F:\_localhost\www\em\wp-content\plugins\advanced-menu-widget\advanced-menu-widget.php on line 296

Strict standards: Declaration of Related_Sub_Items_Walker::end_lvl() should be compatible with Walker::end_lvl(&$output, $depth = 0, $args = Array) in F:\_localhost\www\em\wp-content\plugins\advanced-menu-widget\advanced-menu-widget.php on line 296

Strict standards: Declaration of Related_Sub_Items_Walker::start_lvl() should be compatible with Walker::start_lvl(&$output, $depth = 0, $args = Array) in F:\_localhost\www\em\wp-content\plugins\advanced-menu-widget\advanced-menu-widget.php on line 296

http://wordpress.org/plugins/advanced-menu-widget/