matiasb/demiurge — pull request #4 by mgaitan (2014-09-06 19:21:16+00:00)
Title: Fix when no selector defined

the default selector is the whole page (`'html'`) but this is applied through `PyQuery.find` wich traverses down.
example:
```python
In [2]: PyQuery('hello').find('html')
Out[2]: []

In [3]: PyQuery('hello')('html')
Out[3]: []
```