Swift 4

v3.0.0

Update version to 3.0.0

Xcode 9

Added:

• Support for compiling in xcode9 (ambiguous Decodable protocol) - thanks @kerrmarin

Swift 3

• Migrate to Swift 3
• Update Alamofire to version 4.0
• Update Decodable to version 0.5
• Drop support for iOS 8

Thanks @kerrmarin !