Added verification file

verify.py

+import json
+
+content = json.loads(open('help.json').read())
+
+d = {}
+
+for key in content:
+  if key in d:
+    raise ValueError('Duplicated key {}'.format(key))
+  else:
+    d[key]=''
+  item=content[key]
+  if 'title' not in item:
+    raise ValueError('Missing key : title in {}'.format(key))
+  if 'description' not in item:
+    raise ValueError('Missing key : description in {}'.format(key))
+  if 'options' in item:
+    if len(item['options']) < 1:
+      raise ValueError('Empty options in {}'.format(key))
+    for option in item['options']:
+      if option not in content:
+        raise ValueError('Missing item {} in {}'.format(option, key))
+  elif 'action' not in item:
+    raise ValueError('Missing action in {}'.format(key))
+
+# Check cycle
+def run(key, content, path):
+  if key in path:
+    raise ValueError('Cycling path {}'.format(path))
+  path.append(key)
+  item=content[key]
+  if 'action' in item:
+    path.append(item['action'])
+    print(path)
+    return None
+  else:
+    for option in item['options']:
+      run(option, content, path.copy())
+
+run('root', content, [])