Method get_property_lua

tests/run_time/source/basic.cpp:415–418

TEST_CASE("feature/indexing overrides", "make sure index functions can be overridden on types") {
	struct PropertySet {
		sol::object get_property_lua(const char* name, sol::this_state s) {
			auto& var = props[name];
			return sol::make_object(s, var);
		}

		void set_property_lua(const char* name, sol::stack_object object) {
			props[name] = object.as<std::string>();