didit-tech/FastLegS — pull request #52 by kbackowski (2013-03-07 14:17:44+00:00)
Title: Handling null value in 'not' and 'ne' operators

Build "IS NOT NULL" clause when using 'ne' or 'not' operator with null value i.e.

```javascript
User.find({"name.not": null})
# => SELECT * FROM \"users\" WHERE name IS NOT NULL;
```