Fix ignored Sleep Time

BauSystem_Main/src/de/steamwar/bausystem/world/ScriptListener.java

@@ -71,6 +71,7 @@ public class ScriptListener implements Listener {
                     String sleepTimeString = command.substring(5).trim();
                     int sleepTime = 1;
                     try {
+                        sleepTime = Integer.parseInt(sleepTimeString);
                     } catch (NumberFormatException e) {
                         // Ignored
                     }