sorted directories to create consistent/readable order of execution

Author: johnbender

tests/unit/ls.php

@@ -1,17 +1,18 @@
 <?php
   header("Content-Type: application/json");
 
-  $response = array( 'directories' => array());
+  $directories = array();
 
   if ($handle = opendir(getcwd())) {
     while (false !== ($file = readdir($handle))) {
       if (is_dir($file) && $file[0] !== "." ) {
-        array_push($response['directories'], $file);
+        array_push($directories, $file);
       }
     }
 
     closedir($handle);
   }
 
-	echo json_encode($response)
+  sort($directories);
+  echo json_encode( array('directories' => $directories ));
 ?>