migliorati test per i server e alcuni fix

servers/directo.py

@@ -3,6 +3,9 @@
 from platformcode import logger, config
 
 
+def test_video_exists(page_url):
+    return True, ""
+
 # Returns an array of possible video url's from the page_url
 def get_video_url(page_url, premium=False, user="", password="", video_password=""):
     logger.info("(page_url='%s')" % page_url)