Ignores dirs

lib/combine.py

@@ -14,9 +14,9 @@ templates = []
 
 # For each file in sources
 for file in files:
-    # Open the file
-    with open(templates_src_dir + file) as f:
-        if file.endswith('.json'):
+  file_path = os.path.join(templates_src_dir, file)
+  if os.path.isfile(file_path) and file.endswith('.json'):
+    with open(file_path) as f:
       # Load the JSON into a variable
       data = json.load(f)['templates']
       # Append the template object to the templates list