* added missing functions to the python bindings torrent_info::map_file,
torrent_info::map_block and torrent_info::file_at_offset.
* removed support for boost-1.33 and earlier (probably didn't work)
* fixed potential freezes issues at shutdown
* improved error message for python setup script
* fixed bug when torrent file included announce-list, but no valid
tracker urls
* fixed bug where the files requested from web seeds would be the
renamed file names instead of the original file names in the torrent.
* documentation fix of queueing section
* fixed potential issue in udp_socket (affected udp tracker support)
* made name, comment and created by also be subject to utf-8 error
correction (filenames already were)
* fixed dead-lock when settings DHT proxy
* added missing export directives to lazy_entry
* fixed disk cache expiry settings bug (if changed, it would be set
to the cache size)
* fixed bug in http_connection when binding to a particular IP
* fixed typo in python binding (torrent_handle::piece_prioritize should
be torrent_handle::piece_priorities)
* fixed race condition when saving DHT state
* fixed bugs related to lexical_cast being locale dependent
* added support for SunPro C++ compiler
* fixed bug where messages sometimes could be encrypted in the
wrong order, for encrypted connections.
* fixed race condition where torrents could get stuck waiting to
get checked
* fixed mapped files bug where it wouldn't be properly restored
from resume data properly
* removed locale dependency in xml parser (caused asserts on windows)
* fixed bug when talking to https 1.0 servers
* fixed UPnP bug that could cause stack overflow