GUI Improved: if file changed, prompt dialog : check / ignore / cancel
GUI Improved: Ctrl+Delete remove task including files
GUI Bugfix: possiblely fix the crash when restoring from system tray
Core Improved: optimize pieces manager again
Core Improved: optimize choke picker for slow connections
Core Improved: able to auto resize the cache accoarding to the speed,
set default max cache size to 50M
Core Improved: Auto config XP Internet Connection Sharing and Filewall (ICS/ICF)
Core Improved: when use proxy only for trackers, send HTTP GET rather than HTTP Connect
Core Bugfix: cache size caculate may overflow when the physical memory is getting lower
Core Bugfix: send event=stopped to tracker when program exited (Thanks to ulion)
Core Bugfix: load same torrent make it vanish (Thanks to bigjumbo)
Core Bugfix: UPnP always failed with DSL router/ICS (Thanks to wxhere ~_~)
Core Bugfix: may crash when cache is empty
Core Bugfix: possible to receive only part of the HTTP responce, cause tracker decode failture.
