Fix numeric keys not working

src/handler.py

@@ -40,6 +40,8 @@ def get_url_content(url):
 def get_dict_entry_fallback(d, key, fallback):
     if key and key in d:
         return d[key]
+    if key.isnumeric() and int(key) in d:
+        return d[int(key)]
     if fallback in d:
         return d[fallback]
     return d.get('_default', None)