Add Twitter Bootstrap 3 markup to Yoast Breadcrumbs

gistfile1.php

/*
*
* Add Twitter Bootstrap 3 markup to Yoast Breadcrumbs
*
*/
add_filter( 'wpseo_breadcrumb_output_wrapper', 'my_breadcrumbs_wrapper', 10, 1 );
add_filter( 'wpseo_breadcrumb_output_class', 'my_breadcrumbs_wrapper_class', 10, 1 );
add_filter( 'wpseo_breadcrumb_single_link_wrapper', 'my_breadcrumbs_wrapper_element', 10, 1 );

function my_breadcrumbs_wrapper($wrapper){
	
	$wrapper = "ol";
	
	return $wrapper;
}

function my_breadcrumbs_wrapper_class($class){
	
	$class = "breadcrumb";
	
	return $class;
}

function my_breadcrumbs_wrapper_element($element){
	
	$element = "li";
	
	return $element;
}