Minor improvements and updates. Improve (potentially confusing) logging, and add warning when plugin and extension versions drifted away.

What's Changed

• Bump version.mima from 2.4.32 to 2.4.33 by @dependabot[bot] in #172
• Bump version.mima from 2.4.33 to 2.4.34 by @dependabot[bot] in #173
• Confusing logging by @cstamas in #179
• Make Njord plugin work standalone by @cstamas in #180
• Mojo warns on misaligned versions by @cstamas in #181

Full Changelog: release-0.8.3...release-0.8.4