Change get_comment_author_link(), comment_author_link(), get_comment_author_IP(), comment_author_IP(), get_comment_author_url() and comment_author_url()  methods.
Remove Formatting Lib.
Change method name and remove fields.
Change get_comment_author_url_link() and comment_author_url_link() methods.
Change get_comment_class() and comment_class() methods.
Insert comment_class() method.
Add User, Post array and remove $comment_id, $post_id variable.