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Thank you SoulxluoS for #14 Fixes #13

Update to 1.21.3

Update to 1.20.6 - Thank you Kroojel for the PR

Update to 1.20.5

• Update to 1.20

Changelog

• Add support for 1.19.4
• Simplify and condense the code

Added compatibility for bunch of shulker preview mods.