Simple bugfixes

Fixed typo preventing log entries in the email report from being
separated onto new lines.
Fixed mistake in error messages when HandBrake sockets are closed

handbrake-cluster-client.pl

@@ -173,7 +173,7 @@ sub on_complete_handler {
                 success       => $response->{success},
                 filename      => $response->{output_filename},
                 real_filename => $response->{real_output_filename},
-                log           => join '\n', @{ $response->{log} },
+                log           => join "\n", @{ $response->{log} },
             },
         );
         $email->send;