defaults should clobber

src/confthing/__init__.py

@@ -25,7 +25,7 @@ class Config:
             try:
                 self.get(d, strict = True)
             except PathNotFoundError:
-                self.set(d, defaults[d])
+                self.set(d, defaults[d], clobber = True)
     
     def split_path(self, path):
         return path.split(self.delimiter)