Upgrade vulnerable JUnit 4.x, doc fix, Java 8 support

What's Changed

• Upgrading this bugger up to Java 8 by @runeflobakk in #1
• Readme fix by @runeflobakk in #2
• Improve documentation by @Tmarty in #3
• Ta i bruk nyeste super-pom og action deploy for snapshot og release by @eivinhb in #4
• Bump junit from 4.12 to 4.13.1 by @dependabot in #5
• Update JUnit to latest 4.x minor version by @post-svejk in #6

New Contributors

• @runeflobakk made their first contribution in #1
• @Tmarty made their first contribution in #3
• @eivinhb made their first contribution in #4
• @dependabot made their first contribution in #5
• @post-svejk made their first contribution in #6

Full Changelog: 2.0...2.0.1