apply sleep on timeout value provided only

src/cli/document/crawl.php

@@ -581,10 +581,13 @@ foreach($search->get() as $document)
                             );
 
                             // Delay next attempt
+                            if ($ftp->connection->attempts->delay)
+                            {
                                 sleep(
                                     $ftp->connection->attempts->delay
                                 );
                             }
+                        }
 
                     } while ($connection === false);
                 }
@@ -605,7 +608,10 @@ foreach($search->get() as $document)
     }
 
     // Crawl queue delay
+    if ($config->cli->document->crawl->queue->limit)
+    {
         sleep(
             $config->cli->document->crawl->queue->limit
         );
+    }
 }