improved the testing a bit to adjust for https://github.com/hrydgard/nodeprep/issues/2. optimized the testing by just producing single random code points instead of entire strings.
improved the testing a bit to adjust for https://github.com/hrydgard/nodeprep/issues/2. optimized the testing by just producing single random code points instead of entire strings.

hrydgard/nodeprep,hrydgard/nodeprep