Updated based on https://github.com/visionmedia/commander/commit/5d1ff82c62dd27c50cce8de88989170f78209890
Merge branch 'fix-commander-tests' into fix-sqlite-relative-path

* fix-commander-tests:
  Updated based on https://github.com/visionmedia/commander/commit/5d1ff82c62dd27c50cce8de88989170f78209890
Use Dir.pwd instead of invoking a shell command