changed how tests are ran; updated dotenv to handle parsing fields into structs

gui/Makefile

@@ -46,7 +46,14 @@ build-web: ## WebAssembly build -> build/web (needs emscripten)
 
 test: ## Run Odin unit tests
 	@mkdir -p lib/local
-	$(ODIN) test test $(ODIN_FLAGS)
+	@if ls test/*.odin >/dev/null 2>&1; then \
+		echo "== gui/test =="; \
+		$(ODIN) test test $(ODIN_FLAGS); \
+	fi
+	@for dir in $$(find lib/local -name '*_test.odin' -exec dirname {} \; | sort -u); do \
+		echo "== $$dir =="; \
+		$(ODIN) test "$$dir" $(ODIN_FLAGS); \
+	done
 
 clean: ## Remove build artifacts
 	rm -rf $(BIN) build