With the nation desperately in need of laughter, who better than Joe Pasquale, in one of John Godber’s funniest plays, to lead the charge when April in Paris arrives in Hull later this week?   “Hull is a really exciting because John Godber has strong links with the city and the play is partly set there, so this will be a special part of the tour. John and his wife are understudying us. They’re not coming on the…