tests: Fix processing tests on Windows. See the comment in `pipeline.py` for more info but basically I was passing already initialized processors to the worker pool, which means pickling the whole app. Pretty bad. Interesting that it only broke on Windows, though.

{
  "name": "PieCrust",
  "version": "0.0.1",
  "private": "true",
  "dependencies": {
    "bootstrap": "~3.3.2"
  }
}