Chemistry pack.

1. Dried tainted meat + recipe.
2. Dried tainted veggy + recipe.
3. Mutagen recipes changes.
4. Tainted meat recipe.
5. Tainted veggy recipe.
6. Blob from tainted veggy/meat recipe.
7. Speedball + recipe.
8. Simple recipes with human flesh are now learned automatically.
9. Add IV purifier to royal jelly recipe.