More possession work

Like I stated, there's a problem with this lookup, where you tack on like this: 
```ruby
"oid:#{album.id} " # <= complete with the space at the end
```
This is causing some errors. Would like to know what this is and how to solve it. I'm guessing I can just rework that output, or wil that break your existing work? I didnt' say anything actually using the class that this tokenized is bound to, but I also want to confirm with you.