Minor fixes to PicoFeed integration

lib/Database.php

@@ -293,8 +293,8 @@ class Database {
                 (new PicoFeed\Reader\Favicon)->find($url),
                 $feed->siteUrl,
                 // Convert the date formats to ISO 8601 before inserting
-                $driver::formatDate($feed->date),
-                $driver::formatDate($resource->getLastModified()),
+                $this->driver::formatDate($feed->date),
+                $this->driver::formatDate($resource->getLastModified()),
                 $resource->getEtag(),
                 $fetchUser,
                 $fetchPassword

locale/en.php

@@ -60,7 +60,7 @@ return [
     'Exception.JKingWeb/NewsSync/Feed/Exception.forbidden'              => 'Could not download feed "{url}" because you do not have permission to access it',
     'Exception.JKingWeb/NewsSync/Feed/Exception.unauthorized'           => 'Could not download feed "{url}" because you provided insufficient or invalid credentials',
     'Exception.JKingWeb/NewsSync/Feed/Exception.malformed'              => 'Could not parse feed "{url}" because it is malformed',
-    'Exception.JKingWeb/NewsSync/Feed/Exception.xxe'                    => 'Refused to parse feed "{url}" because it contains an XXE attack',
+    'Exception.JKingWeb/NewsSync/Feed/Exception.xmlEntity'              => 'Refused to parse feed "{url}" because it contains an XXE attack',
     'Exception.JKingWeb/NewsSync/Feed/Exception.subscriptionNotFound'   => 'Unable to find a feed at location "{url}"',
     'Exception.JKingWeb/NewsSync/Feed/Exception.unsupportedFormat'      => 'Feed "{url}" is of an unsupported format'
 ];