third commit
Testing merge of rebased PR.

PR: https://github.com/exbinary/taskpaper_utils/pull/1
Flow:
- rebase until ready for PR.
- don't rebase when making fixes to the PR branch.
- once branch is ready to merge (reviewed, modified)
  - rebase locally
  - don't push to branch
  - merge --no-ff into master
  - close PR and delete branch.