def author_info(url)
      authorinfo = handle_response(get("/authorinfo.json", :query => {:url => url}))
      Topsy::Author.new(authorinfo)
    end
def author_info(url)
      authorinfo = handle_response(get("/authorinfo.json", :query => {:url => url}))
      Topsy::Author.new(authorinfo)
    end
Returns Profile information for an author (a twitter profile indexed by Topsy). The response contains the name, description (biography) and the influence level of the author

 @param [String] url URL string for the author.
 @return [Topsy::Author]