Updated for Xcode 12 and iOS 14

Updated for Xcode 10 and Swift 4.2 #36, removed private URLs #38

Fixed Cocoapods

Fixed bug #20

Fixed iOS 10 Bluetooth bug #17

Added enable/disable switch as request #19

Merge pull request #15 from joeblau/master

Added carthage support

Fix for some declined permissions

Better compatibility with CocoaPods and fixed some signatures

Added support to CocoaPods (needs more tests)