substack/hyperstream — pull request #6 by juliangruber (2014-09-24 08:23:15+00:00)
Title: add {append,prepend} for properties

```js
hyperstream({
body: { 'class': { append: 'foo' } }
});
```

what do you think?

an alternative api:

```js
hyperstream({
body: { _append: { 'class': 'foo' } }
});
```