Initialize user from session

If the import script is run from the command line, there is no session,
and the edit is still credited to 127.0.0.1. However, if there is a
session – for example, if the import is run from a special page (#25) –
this ensures that the correct user is used.

Author: lucaswerkmeister

src/EntityImporter.php

@@ -53,7 +53,7 @@ public function __construct(
 		$this->logger = $logger;
 
 		$this->idParser = new BasicEntityIdParser();
-		$this->importUser = User::newFromId( 0 );
+		$this->importUser = User::newFromSession();
 		$this->batchSize = 10;
 	}