code: def user_tips(user_id, options={})
        response = connection.get do |req|
          req.url "users/#{user_id}/tips", options
        end
        tips = return_error_or_body(response, response.body.response.tips)
        tips = Foursquare2.filter(tips, options[:query]) if options.has_key? :query
        tips
      end
docs: Get all tips for a given user, optionally filtering by text.
  
   @param [String] user_id - The user to retrieve friends for.
   @param [Hash]  options
   @option options Integer :limit
   @option options Integer :offest - For paging through results
   @option options String :sort - One of recent, nearby, popular
   @option options String :ll - Latitude and longitude in format LAT,LON - required for nearby sort option.
   @option String :query - Only find tips matching this term.