1.5.2

Added dot notation for chained relationships, example:
$user->with('posts.comments')->find_many(); // => $users->with(array('posts'=>array('with'=>'comments')))->find_many();

Fixed 'pluck' method.

1.5.1

Some new tests and assertions

v1.5

Merge branch 'master' of github.com:Surt/Granada