Swift 4.1

• Swift 4.1 compatibility by upgrading the Alamofire dependency. Swift 4.1 is source but not ABI compatible with Swift 4.0.
• Disable mutable tests by default.

You may have to pin your version <1.0.0 if Swift 4.0 ABI compatibility is required.

Fixed Carthage build issue

0.1.1

Fix build issues