Olivine-Labs/busted — pull request #154 by Tieske (2013-05-22 10:15:46+00:00)
Title: added tokens for `done` callback

supports both ordered and unordered using;
```lua
done:wait(tokenlist) -- default = ordered
done:wait_ordered(tokenlist)
done:wait_unordered(tokenlist)
````

as discussed in #142