Support for finding the previous evolution step of a Pokemon.

CInterface/Library/SpeciesLibrary.cpp

@@ -0,0 +1,8 @@
+#include "../../src/Library/Species/SpeciesLibrary.hpp"
+#include "../Core.hpp"
+using namespace PkmnLib::Library;
+
+export const PokemonSpecies* PkmnLib_PokemonLibrary_FindPreEvolution(const SpeciesLibrary* p,
+                                                                     const PokemonSpecies* species) {
+    return p->FindPreEvolution(species).GetRaw();
+}