Add wrap on word in pre and code tag to stay element in page.

Add strip_tags to remove non used tag (like iframe, link, meta, script etc...)
Add method to remove non used attributes (like id, style, class, type etc...).
Add wrap on word in pre and code tag to stay element in page.

Add strip_tags to remove non used tag (like iframe, link, meta, script etc...)
Add method to remove non used attributes (like id, style, class, type etc...).