Bump the version and publish to NPM!

Maybe it's time to publish the latest fixes to NPM.

``` js
function marked(src, opt, callback) {
  if (callback || typeof opt === 'function') {
    if (!callback) {
      callback = opt;
      opt = null;
    }

    if (opt) opt = merge({}, marked.defaults, opt);

    var highlight = opt.highlight
```

Obviously not working when `opt` is `null`
