remind c2eCreature::handleStimulus that drive changes can be negative :)
remind c2eCreature::handleStimulus that drive changes can be negative :)

ccdevnet/openc2e,ccdevnet/openc2e,crystalline/openc2e,bdonlan/openc2e,ccdevnet/openc2e,ccdevnet/openc2e,bdonlan/openc2e,crystalline/openc2e,crystalline/openc2e,bdonlan/openc2e,ccdevnet/openc2e,crystalline/openc2e,crystalline/openc2e,bdonlan/openc2e,ccdevnet/openc2e