Fix user delete process (#25)

- Bump version

src/app-config.php

@@ -4,7 +4,7 @@ use BitBadger\PDODocument\{AutoId, Configuration};
 use FeedReaderCentral\Data;
 
 /** The current Feed Reader Central version */
-const FRC_VERSION = '1.0.0-beta2';
+const FRC_VERSION = '1.0.0-beta3';
 
 /**
  * Drop .0 or .0.0 from the end of the version to format it for display

src/util/user.php

@@ -172,7 +172,7 @@ function delete_user(string $email): void
         }
 
         try {
-            $fields = [Field::EQ('user_id', $user->id, '@user')];
+            $fields = [Field::EQ('user_id', $user->id, ':user')];
             Custom::nonQuery(
                 'DELETE FROM ' . Table::ITEM . " WHERE data->>'feed_id' IN (SELECT data->>'id' FROM " . Table::FEED
                     . ' WHERE ' . Query::whereByFields($fields) . ')', Parameters::addFields($fields, []));