v0.4.0-alpha.5

What's Changed

• Add intermediary structure for withdraws encoding by @lukanus in #106
• Package structure change by @lukanus in #105
• Shapella block validation corrections by @lukanus in #108
• Shapella dataapi badger fixes by @lukanus in #109

Full Changelog: v0.4.0-alpha3...v0.4.0-alpha.5