- Update to version 2.0.3
* add new torrent_file_with_hashes() which includes piece
layers for creating .torrent files
* add file_prio_alert, posted when file priorities are updated
* fix issue where set_piece_hashes() would not propagate file
errors
* add missing python binding for event_t
* add convenience header libtorrent/libtorrent.hpp
* increase default max_allowed_in_request_queue
* fix loading non-ascii filenames on windows with torrent_info
constructor (2.0 regression)
* add std::hash<> specialization for info_hash_t
* fix integer overflow in hash_picker and properly restrict
max file sizes in torrents
* strengthen SSRF mitigation for web seeds