After @nlevitt moved over the code needed from Heritrix3 (iipc/iipc-web-commons@fc24be82f632abd7ca56337be77b7ee683368338, iipc/iipc-web-commons@a54dd8eb11b13988a64fed9f0a1e94faf80dc03e), but not the unit tests. They should be moved over before release.
After @nlevitt moved over the code needed from Heritrix3 (fc24be8, a54dd8e), but not the unit tests. They should be moved over before release.