Breaks in WP 3.6

Two exceptions encountered when activating the plugin:

Strict Standards: Non-static method Term_Management_Tools::init() should not be called statically in /umdata/wordpress/wp-content/plugins/term-management-tools/term-management-tools.php on line 257

Strict Standards: call_user_func_array() expects parameter 1 to be a valid callback, non-static method Term_Management_Tools::notice() should not be called statically in /umdata/wordpress/wp-includes/plugin.php on line 406

http://ww.wp.xz.cn/plugins/term-management-tools/