update output style

Author: JanHuang

composer.json

@@ -14,7 +14,7 @@
         "php": ">=5.6",
         "fastd/packet": "~1.3.0",
         "fastd/http": "~3.0.0",
-        "symfony/console": "~3.2.0"
+        "symfony/console": "^3.2"
     },
     "require-dev": {
         "phpunit/phpunit": "^5.0"

src/Server.php

@@ -501,7 +501,7 @@ public function onManagerStart(swoole_server $server)
     {
         process_rename($this->getName() . ' manager');
 
-        $this->output->writeln(sprintf('Server Manager[<info>#%s</info>] is started', $server->manager_pid));
+        $this->output->write(sprintf('Server Manager[<info>#%s</info>] is started', $server->manager_pid) . PHP_EOL);
     }
 
     /**
@@ -523,7 +523,7 @@ public function onWorkerStart(swoole_server $server, $worker_id)
     {
         process_rename($this->getName() . ' worker');
 
-        $this->output->writeln(sprintf('Server Worker[<info>#%s</info>] is started [<info>#%s</info>]', $server->worker_pid, $worker_id));
+        $this->output->write(sprintf('Server Worker[<info>#%s</info>] is started [<info>#%s</info>]', $server->worker_pid, $worker_id) . PHP_EOL);
     }
 
     /**