0.5.3

Additions:

• Advertise on BLE112 devices (with optional address rotation)
• Advertise on multiple BlueZ devices
• Optionally rotate your address while advertising with BlueZ
• Scanning service advertisements (such as Eddystone-UID) with BLE112 devices
• Scanning returns beacons where the ids array is filled with Beacon::Field objects. This allows easy access to the field as a byte array, a hex string, or an integer.