make you methods static

Strict Standards: call_user_func_array() expects parameter 1 to be a valid callback, non-static method WPCodePrettifyPage::WPCodePrettify_Options_Page() should not be called statically in /home/bass/wordpress/wp-includes/plugin.php on line 429

http://wordpress.org/plugins/wp-code-prettify/