- Update to 0.16.17:
* don't fall back on wildcard port in UPnP
* fix local service discovery for magnet links
* fix bitfield issue in file_storage
* added work-around for MingW issue in file I/O
* fixed sparse file detection on windows
* fixed bug in gunzip
* fix to use proxy settings when adding .torrent file from URL
* fix resume file issue related to daylight savings time on windows
* improve error checking in lazy_bdecode