updating README to note that Sanitize also uses Nokogiri, and hence has well-formed output.
updating README to note that Sanitize also uses Nokogiri, and hence has well-formed output.

jstorimer/loofah,phaza/loofah,flavorjones/loofah,Joas1988/loofah-activerecord,flavorjones/loofah,Joas1988/loofah-activerecord,flavorjones/loofah-activerecord,flavorjones/loofah-activerecord,phaza/loofah,Joas1988/loofah-activerecord,jstorimer/loofah,11factory/loofah,Joas1988/loofah-activerecord,flavorjones/loofah