Rhinoxes are only displayed as having one head

[kernelmethod]

https://wiki.cavesofqud.com/wiki/Rhinox

(They have three heads, granted by the MultiHorns mutation.)

[Wreckstation]

The footnote says it excludes limbs granted by mutations due to technical limitations. We would need a rewrite of the script that can somehow pull from the mutations list to add it. however it would be very beneficial!