uTorrent 2.0.0 Beta 16394

- Fix: bugs where have messages would not be remebered for magnet link downloads
- Fix: Buffer overrun vulnerability
- Change: Conservative network locking in installer
- Fix: rare crash in low level network read and write
- Fix: fixed crash in udp tracker connection with unresponsive DNS
- Fix: improved out-of-memory error handling in disk thread
- Fix: Installer crash after download
- Feature: Stop setup guide tests without exiting dialog
- Fix: Crash when peers disconnect from a magnet-link torrent right as we received the metadata
- Fix: Fixes bug where magnet links wouldn't work if PEX was disabled
- Feature: added ability to re-run setup tests
- Fix: Fix crash when using magnet links and a peer is failing at a particular point
- Fix: Fixed negative allocation in RequestChunks() for web seeds
- Change: Updated bandwidth presets in Setup guide
- Fix: Fix startup race condition between network and disk I/O thread
- Change: Optimization added to speed up torrent creation