Hey I should have probably posted this earlier, as this happened on 24/3/14. On the release of Diablo: Reaper of Souls, I tried to log on. It said my account was locked. I then tried logging onto wow and same problem, Locked account. I had received an email explaining my account was locked due to "Abusing Friend invite system". There was no way I had spammed out invites myself, or used addons or done anything related to this. The only explanation was Oqueue, as it was constantly Auto-adding and deleting battletags. I had to ring Blizzard to get my account Unlocked but he said to stop using the addon or else this will happen again. So clearly it was an auto-lock. I really love this addon but sadly I have stopped. I'm wondering if anyone else has had this problem. I have a link to the picture below if you'd like to see the email they sent me. This is official, no I didn't make this up -.-
http://i1283.photobucket.com/albums/a548/Data_458/OqueueBanLock_zps648c554a.png