Cats: like Marmite, Kanye West and reality TV they tend to polarise opinions. To detractors they’re cold, calculating, sinister beings who use humans for food and attention. To cat lovers, the very traits that irk the haters – their cool countenance, air of superiority and unwillingness to be stroked if not in the mood – are all signs of character, which opposes the dogged subservience of their canine rivals (to the cat lover, dogs are just a little too…eager to please). And perhaps this is why so many artists seem to be in league with moggies (especially 20th Century artists for some reason). You only need type in artists and…