doctrine/phpcr-odm — pull request #393 by dbu (2013-12-15 20:14:24+00:00)
Title: batch-fetch parent and child nodes. depth is numeric and can't be null

| Q | A
| ------------- | ---
| Bug fix? | yes
| New feature? | yes
| BC breaks? | yes
| Deprecations? | no
| Tests pass? | travis
| Fixed tickets | relates to #392
| License | MIT
| Doc PR | none needed

the BC break is that depth now must be numeric as it is in phpcr. it made no sense to have a non-numeric depth so this should not break for anybody.