Is this the way they say the future’s meant to feel? Or just 20,000 people standing in a field? Well, it was both on Friday night as, nearly thirty years after the practically perfect Different Class was released, that future became the present for the thousands of people in St Anne’s Park in Dublin. And this time round we really understood what the feeling was – utter joy that Jarvis Cocker hasn’t changed at all and Pulp with their ‘This is What We Do for an Encore’ tour, delivered exactly what we wanted. Full of promise from the minute it’s…