Allow arrays in fix-class-names directory list.

Author: beberlei

src/main/QafooLabs/Refactoring/Adapters/Symfony/Commands/FixClassNamesCommand.php

@@ -33,7 +33,7 @@ protected function configure()
         $this
             ->setName('fix-class-names')
             ->setDescription('Find all classes whose names don\'t match their required PSR-0 name and rename them.')
-            ->addArgument('dir', InputArgument::REQUIRED, 'Directory that contains the source code to refactor')
+            ->addArgument('dir', InputArgument::IS_ARRAY | InputArgument::REQUIRED, 'Directory that contains the source code to refactor')
             ->setHelp(<<<HELP
 Fix class and namespace names to correspond to the current filesystem layout,
 given that the project uses PSR-0. This means you can use this tool to