Someone once likened running a blog to having a pet in the house. It's always there, it's kind of alive and it needs constant feeding and attention. At the moment, it needs a big chunk o' money to upgrade some software so I thought I'd give some of you the chance to kick in. You don't have to. This blog has always been free to read and it's never taken a dime of paid advertising. I intend to keep it that way: No subscriptions, no paywalls, no content only available to donors. Just every so often, we ask for a little financial help…