Update README to reflect visibility in Cocoapods trunk
Update README to reflect visibility in Cocoapods trunk

Edovia/SwiftyDropbox,skela/SwiftyDropbox,Edovia/SwiftyDropbox,dropbox/SwiftyDropbox,skela/SwiftyDropbox,skela/SwiftyDropbox,skela/SwiftyDropbox,dropbox/SwiftyDropbox,dropbox/SwiftyDropbox,dropbox/SwiftyDropbox