Add cancellation tokens to http requests.
Extract QT timestamp for readability.
Add new OnTrack event.
Update README.md
Update README.md
Restructure namespaces and folders.
Move user agent code to system information.
Move going further to the wiki, README is too long.
Update README.md
Update README.md
Update README.md
Update README.md
Allow debug output writer to be set.
Remove obsolete StartAsync.
Minor code clean-up.
Merge branch 'request-cancellation-tokens' into dev
Improve request-cancellation test reliability.
Test reliability on request cancellation.
Do not end session in suspend.
Do not end session on Windows 8 suspend.