Fixed wrong timestamp generation in Timestamp.now by converting to int64 before calculations start
Fixed wrong timestamp generation in Timestamp.now by converting to int64
before calculations start

freedesktop-unofficial-mirror/zeitgeist__zeitgeist,freedesktop-unofficial-mirror/zeitgeist__zeitgeist,freedesktop-unofficial-mirror/zeitgeist__zeitgeist,freedesktop-unofficial-mirror/zeitgeist__zeitgeist,freedesktop-unofficial-mirror/zeitgeist__zeitgeist