SWEET ARMAGEDDON | JOE WEBB 29 MAY – 12 JULY 2015 Hang-Up Gallery | 56 Stoke Newington High Street | London N16 7PB hanguppictures.com | @hangupgallery  | T +44 20 3667 4552 | Opening Hours: Wed – Sun 12–6pm Admission: Free Hang-Up Gallery welcomes back British collage artist extraordinaire Joe Webb for another bold…