def update(id, name, addresses)
      @cache_last_modified = DateTime.now.to_s
      @addresses[id] = addresses.map { |a| [a, name] }
    end
def update(id, name, addresses)
      @cache_last_modified = DateTime.now.to_s
      @addresses[id] = addresses.map { |a| [a, name] }
    end
Update the name and email addresses for the passed GMail ID.

 @param [String] id ID of contact to be updated
 @param [String] name new name for contact
 @param [String[]] addresses array of email addresses

 @return [[String, String]] Array of email addresses for the <tt>id</tt>
                            after update.
                            Each element consists of a 2 element array. The
                            first is the email address and the second is
                            the name