PIFile::openTemporary on Windows

PIPair from std::tuple

libs/main/containers/pipair.h

@@ -33,6 +33,7 @@ template<typename Type0, typename Type1>
 class PIPair {
 public:
 	PIPair() {first = Type0(); second = Type1();}
+	PIPair(std::tuple<Type0, Type1> tuple) {first = std::get<0>(tuple); second = std::get<1>(tuple);}
 	PIPair(const Type0 & value0, const Type1 & value1) {first = value0; second = value1;}
 	Type0 first;
 	Type1 second;