code: function (x, y, width, height) {
      return new BVG('rect', x.constructor.name === 'Object' ? x : {
        x: x,
        y: y,
        width: width,
        height: height
      });
    }
docs: ### `bvg.rect(x, y, width, height)`
  Create a rectangle at position `(x, y)` at `width` x `height` in size.
  
  ```Javascript
  var rect = bvg.rect(100, 100, 300, 150);
  ```