Split the HiddenUsers string pulled from our config.

www/kojiweb/index.py

@@ -284,7 +284,9 @@ def index(environ, packageOrder='package_name', packageStart=None):
     if user:
         taskOpts['owner'] = user['id']
     if opts.get('HiddenUsers'):
-        taskOpts['not_owner'] = opts['HiddenUsers']
+        taskOpts['not_owner'] = [
+            int(userid.strip()) for userid in opts['HiddenUsers'].split()
+        ]
     values['tasks'] = server.listTasks(
         opts=taskOpts,
         queryOpts={'order': '-id', 'limit': 10}