def to_author
      author = Author.new
      author.name = self.name
      author.email = self.email unless self.email.nil?
      author.uri = self.uri unless self.uri.nil?
      author
    end
def to_author
      author = Author.new
      author.name = self.name
      author.email = self.email unless self.email.nil?
      author.uri = self.uri unless self.uri.nil?
      author
    end
Convert to an Atom::Author object