Prepared a test case for Elia
now we have working sourcemaps
Merge commit '7ca1bde483e7fac5254dc25bc14af58a3184328f' into feature/rackup

* commit '7ca1bde483e7fac5254dc25bc14af58a3184328f':
  now we have working sourcemaps
Merge branch 'feature/rackup' into develop

* feature/rackup:
  now we have working sourcemaps