Did a full code coverage review and improved many of the tests and a bunch of code. I'll do one more final walk through all the code before getting back to work on the new combat system.

tests/config.cpp

@@ -5,7 +5,9 @@
 TEST_CASE("confirm basic config loader ops", "[config]") {
   Config config("assets/devices.json");
   auto data_list = config.json();
+  auto the_keys = config.keys();
 
+  REQUIRE(the_keys.size() > 0);
 
   for(auto& [key, data] : data_list.items()) {
     auto wide1 = config.wstring(key, "name");