First cut of item-with-feed and list impl

- Add strict types to all files
- Convert many queries to document commands

src/util/refresh.php

@@ -1,9 +1,8 @@
-<?php
+<?php declare(strict_types=1);
 
 use BitBadger\Documents\DocumentException;
 use BitBadger\Documents\SQLite\Configuration;
 use BitBadger\Documents\SQLite\Find;
-use FeedReaderCentral\Data;
 use FeedReaderCentral\Feed;
 use FeedReaderCentral\Table;
 use FeedReaderCentral\User;
@@ -46,7 +45,7 @@ function refresh_all(): void
 
     try {
         $users = [];
-        iterator_apply(Feed::retrieveAll()->items(), function (Feed $feed) use ($db, $users) {
+        iterator_apply(Feed::retrieveAll()->items(), function (Feed $feed) use ($db, &$users) {
             $result  = Feed::refreshFeed($feed->id, $feed->url, $db);
             $userKey = "$feed->user_id";
             if (!key_exists($userKey, $users)) $users[$userKey] = Find::byId(Table::USER, $feed->user_id, User::class);