Fix for issue #1

Not sure why, but this seems to have disappeared somewhere along the way. Probably when I moved from a looping thread to a timer.

run.py

@@ -176,11 +176,12 @@ def nginx_error(error):
     return error_page(error="We literally have no idea what just happened", code="Unknown")
 
 
-
-cleaner_thread()
+if config["DELETE_FILES"]:
+  cleaner_thread()
+  
 if __name__ == '__main__':
   app.run(
     port=config["PORT"],
     host=config["HOST"],
     debug=config["DEBUG"]
-  )
+  )