Domain64 and DB backing tested

internal/domain64/Makefile

@@ -1,8 +1,9 @@
 clean:
-	rm -rf db
-	
-generate: clean
-	sqlc generate
+	cd sqlc ; rm -f test.sqlite
+	cd sqlc ; rm -f *.go
 
-test:
+generate: clean
+	cd sqlc ; sqlc generate
+
+test: generate
 	go test *.go