fix updating of bitwise 'unseen' to account for mysql operator precedence

include/features.php

@@ -22,7 +22,7 @@ $arr = array(
 'categories'     => t('Post Categories'),
 'filing'         => t('Saved Folders'),
 'archives'       => t('Search by Date'),
-
+'dislike'        => t('Dislike Posts'),
 
 );
 

include/permissions.php

@@ -20,6 +20,14 @@
 	);
 
 
+/**
+ * get_all_perms($uid,$observer)
+ *
+ * @param $uid : The channel_id associated with the resource owner
+ * @param $observer: The xchan_hash representing the observer
+ *
+ * @returns: array of all permissions, key is permission name, value is integer 0 or 1
+ */
 
 function get_all_perms($uid,$observer) {