4 * use `npm test` instead of `make test` to run tests
5 * clearer assertion messages when checking input
11 * add license to package.json
16 * corrected avoidance of timing attacks (thanks @tenbits!)
21 * [incorrect] fix for timing attacks
26 * fix missing repository warning
32 * Revert "Changed underlying HMAC algo. to sha512."
33 * Revert "Fix for timing attacks on MAC verification."