Pulls Mixins from MixinBooter to take advantage of them now using UniMix, which is an up to date mixin fork (which fixes some issues in CEu that we have seen)
Undrafting and merging this as it has been tested and proven to work in all 3 cases (no mixins used, usesMixins enabled, and forceEnableMixins enabled)
Updates MixinBooter to 8.3.
Pulls Mixins from MixinBooter to take advantage of them now using UniMix, which is an up to date mixin fork (which fixes some issues in CEu that we have seen)