public function appendLink($key, $href, array $meta=[]) {
		$this->ensureLinksObject();
		$this->links->append($key, $href, $meta);
	}
public function appendLink($key, $href, array $meta=[]) {
		$this->ensureLinksObject();
		$this->links->append($key, $href, $meta);
	}
public function appendLink ( $ key , $ href , array $ meta = [ ] ) { $ this -> ensureLinksObject ( ) ; $ this -> links -> append ( $ key , $ href , $ meta ) ; }
append a link to a key with an array of links

@param string $key
@param string $href
@param array  $meta optional, if given a LinkObject is added, otherwise a link string is added
append a link to a key with an array of links