Add string versions of User/Pickled objects to datastore models

app/handlers/package_uploaders.py

Index: app/handlers/package_uploaders.py
diff --git a/app/handlers/package_uploaders.py b/app/handlers/package_uploaders.py
index 9cfc914eac251113c0d2f96667709b869cfa4c90..d44a73517bd07ee55ae97984d6193595301ec193 100644
--- a/app/handlers/package_uploaders.py
+++ b/app/handlers/package_uploaders.py
@@ -31,6 +31,7 @@ class PackageUploaders(object):
                          (email, package.name))
 
         package.uploaders.append(user_to_add)
+        package.temp_synchronize_uploaders_to_uploaderemails()
         package.put()
         package.invalidate_cache()
         return handlers.json_success(
@@ -62,6 +63,7 @@ class PackageUploaders(object):
         email_to_delete = user_to_delete.email().lower()
         package.uploaders = [uploader for uploader in package.uploaders
                              if uploader.email().lower() != email_to_delete]
+        package.temp_synchronize_uploaders_to_uploaderemails()
         package.put()
         package.invalidate_cache()
         return handlers.json_success(