Merge branch 'v4' into v5

src/NadekoBot/data/strings/commands/commands.en-US.yml

@@ -2371,4 +2371,9 @@ doas:
 clubrename:
   desc: "Renames your club. Requires you club ownership or club-admin status."
   args:
-    - "New cool club name"
+    - "New cool club name"
+cacheusers:
+  desc: Caches users of a Discord server and saves them to the database.
+  args:
+    - ""
+    - "serverId"

src/NadekoBot/data/strings/responses/responses.en-US.json

@@ -1060,5 +1060,7 @@
   "sticker_missing_name": "Please specify a name for the sticker.",
   "thread_deleted": "Thread Deleted",
   "thread_created": "Thread Created",
-  "supported_languages": "Supported Languages"
+  "supported_languages": "Supported Languages",
+  "cache_users_pending": "Updating users, please wait...",
+  "cache_users_done": "{0} users were added and {1} users were updated."
 }