STRICTLY Come Dancing’s Lewis Cope scored the first perfect 40 of the series tonight for a spellbinding Halloween routine. The ex-Emmerdale actor and Katya Jones danced a Couple’s Choice routine to Radiohead’s Creep, and host Tess Daly branded it a “knockout” moment. The judges agreed, with Craig Revel Horwood, Motsi Mabuse, Anton Du Beke all…