Add Peter Bengtsson to AUTHORS
Add Peter Bengtsson to AUTHORS

jpic/nashvegas,paltman/nashvegas,paltman-archive/nashvegas,dcramer/nashvegas,jpic/nashvegas,iivvoo/nashvegas,jonathanchu/nashvegas,GunioRobot/nashvegas,GunioRobot/nashvegas,dstufft/nashvegas,dstufft/nashvegas