PS3: CJKB3-CWJ6T-KK5WJ-Z3KJ3-KJSKJ   WinPC/MAC: WTCBJ-TWCRW-S56T3-TJTBJ-BTT3R  X360: KTW33-5ZZXR-BB9BF-CRJTT-RCFZ5 Randy Pitchford just Tweeted out the above shift codes for Borderlands 2! Better get stocking up on those keys! With the new DLC just coming out and a new character coming soon you will need all the loot you can get! What did…