I liked but didn’t love writer / director Maria Fredriksson’s “The Gullspång Miracle,” an interesting, if eerily familiar, documentary that has shades of both “Catfish” and “Three Identical Strangers.” It’s a fascinating story, but Fredriksson doesn’t do a good job telling it. The end result is a twisty, turny, frustrating film that leaves the viewer with very few answers. It all started with a (supposed) divine premonition that led two sisters to buy an apartment in the tiny Swedish town of Gullspång. When the go to sign the papers, the seller looks absolutely identical to their older siste...