Made the timeout non-optional

Author: GrahamCampbell

src/Http/Middleware/LockingMiddleware.php

@@ -65,7 +65,7 @@ public function handle($request, Closure $next)
         $name = 'session-'.$request->session()->getId();
 
         try {
-            $response = $this->locker->execute($function, $name);
+            $response = $this->locker->execute($function, $name, 20000);
         } catch (UnableToAcquireLockException $e) {
             throw new UnprocessableEntityHttpException('Unable to acquire lock.');
         }

src/Locker.php

@@ -58,7 +58,7 @@ public function __construct(ClientInterface $redis)
      *
      * @return mixed
      */
-    public function execute(Closure $function, $name, $timeout = 20000, $play = 500, $interval = 100, $trys = 128)
+    public function execute(Closure $function, $name, $timeout, $play = 500, $interval = 100, $trys = 128)
     {
         $lock = new Lock($this->redis, $name, $timeout, $play, $interval, $trys);