update to build 406 version

src/ZM/Command/PureHttpCommand.php

@@ -89,10 +89,10 @@ class PureHttpCommand extends Command
         $server->start();
         // return this if there was no problem running the command
         // (it's equivalent to returning int(0))
-        return Command::SUCCESS;
+        return 0;
 
         // or return this if some error happened during the execution
         // (it's equivalent to returning int(1))
-        // return Command::FAILURE;
+        // return 1;
     }
 }