Squashed 'wicker/' changes from 561a7a8..2847542

2847542 some TheMod:EmbedHook extensions

git-subtree-dir: wicker
git-subtree-split: 2847542a6c7cb6f76bc17509d6c3adcf5fe66915
(wicker) Some plugin API extensions and fixes
Ensure the mod is enabled at worldgen