Revert "#7 Brought back "useful parentheses." which I in inadvertently removed."

This reverts commit 5d22077adf460447c4158395014000ba618b473f.
Fixes #17 Brought back "useful parentheses." which I in inadvertently removed while working on #7

The double revert is just to be able to use https://help.github.com/articles/closing-issues-via-commit-messages/ ...