It could take everyone connected to Celtic – players, staff and supporters – a little while to process everything that happened in the Scottish Cup semi-final at Hampden on Saturday. Finding themselves behind in the match against Aberdeen, then ahead twice only to be pegged back, before winning a dramatic penalty shoot-out – Celtic’s big day was a brilliant spectacle. But it wasn’t half nerve-wracking. Celtic were far from at their best but still got the job done and it was a thrilling watch, ultimately. The passion and excitement of Scottish football is hard to beat when it all gets so epic. …