Replace the image's src and rebuild the cropper
@param {string} url - The new URL.
@param {boolean} [hasSameSize] - Indicate if the new image has the same size as the old one.
@returns {Cropper} this
function replace(url) {
    var hasSameSize = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

    if (!this.disabled && url) {
      if (this.isImg) {
        this.element.src = url;
      }

      if (hasSameSize) {
        this.url = url;
        this.image.src = url;

        if (this.ready) {
          this.viewBoxImage.src = url;
          forEach(this.previews, function (element) {
            element.getElementsByTagName('img')[0].src = url;
          });
        }
      } else {
        if (this.isImg) {
          this.replaced = true;
        }

        this.options.data = null;
        this.uncreate();
        this.load(url);
      }
    }

    return this;
  }