Adds autofac as a composition option for IronPigeon users.
Fixes several build warnings.
Totally removed all uses and dependencies on Microsoft.Composition package.
Wraps another exception that might be thrown during address book entry download.
Fixes tinyurl shortener to not shorten an already shortened URL. This keeps URLs working, since tinyurl.com won't redirect a shortened URL that points to another tinyurl.com
Stops shortening address book entry URLs even if URL shorteners are available.
Fixes method name.
Adds Apple push notification (APNS) support.