navruzm/lmongo — pull request #44 by narmontas (2014-10-30 22:19:47+00:00)
Title: Removed LMongo\Query\Builder::prepareColumns()

MongoCollection::find() should take unmodified second array $fields to support projections like
```
find([], ['some_array_attribute' => [ '$slice' => $some_limit ]);
```