If you deal with a lot of e-mail, you’ll probably appreciate the more advanced swipe gestures that iOS 8 adds to the Mail app. No longer limited to merely deleting or archiving messages, iOS 8 allows you to perform up to four different actions simply by swiping either left or right on an item in your inbox. By default, swiping right-to-left now displays a “Flag” option in addition to the Trash/Archive and More options, and you can also now…