doctrine/phpcr-odm — pull request #206 by dantleech (2013-01-06 15:44:39+00:00)
Title: Set Uuid in executeInserts

So thast
````php
$foo = new Foo;
$dm->persist($foo);
$dm->flush();
echo $foo->uuid; // returns the UUID
````

Also throw Exception if Uuid is designated more than once.