Merge pull request #127 from CakeDC/issue/95

Add default processor if argument is not passed to avoid processor hash

Author: markstory

src/Command/WorkerCommand.php

@@ -204,7 +204,7 @@ public function execute(Arguments $args, ConsoleIo $io)
         $queue = $args->getOption('queue')
             ? (string)$args->getOption('queue')
             : Configure::read("Queue.{$config}.queue", 'default');
-        $processorName = $args->getOption('processor') ? (string)$args->getOption('processor') : null;
+        $processorName = $args->getOption('processor') ? (string)$args->getOption('processor') : 'default';
 
         $client->bindTopic($queue, $processor, $processorName);
         $client->consume($extension);