tmpvar/jsdom — pull request #953 by medikoo (2014-11-14 15:26:12+00:00)
Title: Assure string normalization on set of text.data

Setting `data` on text node, doesn't normalize value to string

```javascript
textNode.data = 34;
typeof textNode.data; // 'number' (should be 'string')
```
This change fixes that