[dshadowwolf]

1. Add back the extended vanilla materials
2. bump to version 4.0.0
3. lots of other, relatively minor, changes

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
1 out of 2 committers have signed the CLA.

✅ dshadowwolf
❌ KiriCattus
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.
1 out of 2 committers have signed the CLA.

✅ dshadowwolf
❌ KiriCattus
_{You have signed the CLA already but the status is still pending? Let us recheck it.}