func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return 60
    }

    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: catsTableViewCellIdentifier, for: indexPath) as! CatsTableViewCell

        catRequest.getCat(completionSuccess: { (image) in
            DispatchQueue.main.async {
                cell.catImageView.image = image
            }
        }) { (error) in

        }

        return cell
    }


class CatsTableViewCell: UITableViewCell {

    @IBOutlet weak var catImageView: UIImageView!

    var catRequest = CatRequest()

    override func awakeFromNib() {
        super.awakeFromNib()
        catImageView.layer.cornerRadius = 5
    }

    override func setSelected(_ selected: Bool, animated: Bool) {
        super.setSelected(selected, animated: animated)
    }

    override func prepareForReuse() {
        super.prepareForReuse()
        catImageView.image = nil
    }
}