Updated new_source tool to respect a modules set C++ namespace. Fixed generation of modules with templates without config.json.

tools/new_module.py

@@ -112,7 +112,10 @@ def load_template_config() -> None:
     global _template_config
     config_file = _template_folder / 'config.json'
     if not config_file.exists():
-        _template_config = {}
+        _template_config = _TemplateConfig(
+            options=[],
+            new_sources=[]
+        )
         return
     with config_file.open('r') as f:
         try: