Add roles to name

+++ b/masquerade.module
@@ -606,13 +606,10 @@ function masquerade_block_1() {
+          $quick_switch_links[] = l($account->name, $switch_link, array('query' => array('token' => drupal_get_token($switch_link)), 'attributes' => array('title' => t('roles:') . ' ' . implode(', ', $account->roles))));

this is not a right way to display role names.

use a kind of $role_options = array_map('check_plain', user_roles());

+++ b/masquerade.module
@@ -606,13 +606,21 @@ function masquerade_block_1() {
+          foreach ($account->roles as $key => $role) {
+            $roles[] = $role . ' (' . $key . ')';

roles could be added via UI so needs sanitization, check core for usage of the role names