When you approach a new fashion season, it is very easy to be blinded by all the fabulous new pieces that all the stores and websites are festooned with. But there is a train of thought that says that we should actually buy fewer pieces, but be far more careful about what we are actually buying. Gok Wan always seems to get this down to a perfect 26 items.  This is the fabled capsule wardrobe, the specially selected pieces that are supposed to carry you through every occasion, mixing and matching perfectly to create a multitude of outfits, that look different enough that nobody realises you don’t actually own that…