Handle the case where an empty response is returned (possibly related to Issue #1086)
Fix incorrect filename in comment
Add EXIF date/time to test images, so the next/previous links work correctly (workaround for issue #1038)
Merge pull request #17 from sneakypete81/minor_fixes

Minor fixes:
* Fix incorrect filename in comment
* Add EXIF date/time to test images, so the next/previous links work correctly