Deprecated warnings

Right after installing the plugin, I get the following messages on the wordpress plugins page. I know I can hide them by setting WP_DEBUG to false, but I thought you should know for future versions 🙂

Notice: load_plugin_textdomain was called with an argument that is deprecated since version 2.7 with no alternative available. in /Users/bjornkuipers/Sites/dummy/wordpress/wp-includes/functions.php on line 3510

Notice: register_sidebar_widget is deprecated since version 2.8! Use wp_register_sidebar_widget() instead. in /Users/bjornkuipers/Sites/dummy/wordpress/wp-includes/functions.php on line 3391

Notice: register_widget_control is deprecated since version 2.8! Use wp_register_widget_control() instead. in /Users/bjornkuipers/Sites/dummy/wordpress/wp-includes/functions.php on line 3391

Notice: has_cap was called with an argument that is deprecated since version 2.0! Usage of user levels by plugins and themes is deprecated. Use roles and capabilities instead. in /Users/bjornkuipers/Sites/dummy/wordpress/wp-includes/functions.php on line 3508

Notice: has_cap was called with an argument that is deprecated since version 2.0! Usage of user levels by plugins and themes is deprecated. Use roles and capabilities instead. in /Users/bjornkuipers/Sites/dummy/wordpress/wp-includes/functions.php on line 3508

Notice: has_cap was called with an argument that is deprecated since version 2.0! Usage of user levels by plugins and themes is deprecated. Use roles and capabilities instead. in /Users/bjornkuipers/Sites/dummy/wordpress/wp-includes/functions.php on line 3508

Notice: has_cap was called with an argument that is deprecated since version 2.0! Usage of user levels by plugins and themes is deprecated. Use roles and capabilities instead. in /Users/bjornkuipers/Sites/dummy/wordpress/wp-includes/functions.php on line 3508

Notice: has_cap was called with an argument that is deprecated since version 2.0! Usage of user levels by plugins and themes is deprecated. Use roles and capabilities instead. in /Users/bjornkuipers/Sites/dummy/wordpress/wp-includes/functions.php on line 3508

Notice: has_cap was called with an argument that is deprecated since version 2.0! Usage of user levels by plugins and themes is deprecated. Use roles and capabilities instead. in /Users/bjornkuipers/Sites/dummy/wordpress/wp-includes/functions.php on line 3508

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