I might be being very stupid, but I feel obliged to point out, what seems to me, to be blatant plagairism. Gm_atomic seems to have been copied:
Possible fake: http://www.garrysmod.org/downloads/?a=view&id=84984
If you simply search “fallout” on gmod.org they are both on the first page. I’m sorry if i’m wrong but this just seems to be completely out of order.