v0.6.0 Add timestamp to TpPool & minor improvements and accessors

What's Changed

• Increment version to 0.6.0 by @JulianSchmid in #11
• Migrate coverage script from etherparse by @JulianSchmid in #12
• Add timestamp to TpPool & minor improvements and accessors by @JulianSchmid in #13

Full Changelog: v0.5.0...v0.6.0