Good.iWare has released an update to its popular GoodReader document reader for iPhone and iPod touch devices adding iOS 4 compatibility. GoodReader 2.8.2 adds support for new features found in iOS 4 including USB file transfer, video output and Fast App Switching. The update additionally provides the ability to open documents in GoodReader from other supported apps such as Mail and Safari as well as sending documents from GoodReader into other applications…