Add harmony function.

Added harmony method to API. Tests for all cases provided in the
tester.js file.
Revert "Add harmony function."

This reverts commit b146f275a10df54ecbe5145668e9020e15d22d27.
Add harmony function

Added harmony method to API. Tests for all cases provided in the
tester.js file.
Update to pass JSHint
Revert "Update to pass JSHint"

This reverts commit ca74bf25e1fe87d7c0aa6f5d9a10319a5357580c.
Update to pass JSHint
Update to indentation in tester
Merge pull request #12 from benjamminf/master

Add harmony function.

Close #7.