this should probably sidestep that thing unc0rr keeps bringing up. untested. but then, I've never had it happen. I think what happens is onGameTick20 is called in same tick as onNewTurn and before it...
file(GLOB HedgehogSprites *.png)
install(FILES
${HedgehogSprites}
DESTINATION ${SHAREPATH}Data/Graphics/Hedgehog)