Weak hands cannot be planted, meager skills have no foundation. Shallow wisdom is futile, how can one hope for a good name?扰扰从役倦，屑屑身事微。少壮轻年月，迟暮惜光辉。
plugin_id = 'coursepress/coursepress.php';
$this->init_hooks();
}
/**
* Hook methods to WordPress
*
* @return void
*/
public function init_hooks() {
if ( ! method_exists( 'CoursePress