A bug report and a question

Hi – thanks for the plugin!
Line 92 of wsl.components.users.list.php has the following code:
$user_wsl_email = wsl_get_user_data_by_user_id( "user_wsl_email", $user_id);

However, I think it should actually be:
$user_wsl_email = wsl_get_user_data_by_user_id( "user_email", $user_id);

Also on line 382 of wsl.auth.widget.php:
if( $list_connected_providers ) {
should be:
if( isset($list_connected_providers) && $list_connected_providers) {

Now the question…
Scenario: I only want a select number of people to be able to use the social login, but that number gets added to sometimes.
Question: Do I have to turn on registration for the plugin and then turn it off again when the new user has registered?

http://wordpress.org/extend/plugins/wordpress-social-login/