Hi everyone,
First and foremost: sorry for the loss of usual service over the last few hours.
To explain what's been going on: shortly after 10pm last night, we started receiving a large amount of spurious (i.e. automatic, rather than human) traffic. This is known in the trade as a denial of service attack: one in which a person, or organisation, deliberately floods a website with requests for pages, with the intention of overwhelming its servers and preventing bona fide users from accessing the site.
It goes without saying that we're doing everything we can to repel borders and keep the site up and running. We'll post on our social channels with any further updates (we're over here on Facebook and Twitter, if you don't follow us already), and in the meantime, thanks, as usual, for bearing with us.