[4.x] Fix issues when running on Windows. (#136 and #129) (#137)

* [4.x] Fix issues when running on Windows. (#136)

* Update NewCommand.php

Author: dleicam

src/NewCommand.php

@@ -82,7 +82,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $composer = $this->findComposer();
 
         $commands = [
-            $composer." create-project laravel/laravel $directory $version --remove-vcs --prefer-dist",
+            $composer." create-project laravel/laravel \"$directory\" $version --remove-vcs --prefer-dist",
         ];
 
         if ($directory != '.' && $input->getOption('force')) {