Xcode 9 and Functional APIs

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Added

• Missing @escaping annotation for session delegate closures.
  • Added by Alexey Aleshkov in Pull Request #1951.
• New mapError, flatMapError, withValue, withError, ifSuccess, and ifFailure APIs to Result.
  • Added by Jon Shier in Pull Request #2135.

Updated

• The Travis config file to Xcode 8.3.
  • Updated by Jon Shier in Pull Request #2059.
• Response serialization implementation to use separate internal variable.
  • Updated by Eunju Amy Sohn in Pull Request #2125.
• SessionDelegate internal implementation by removing redundant optional unwrap.
  • Updated by Boris Dušek in Pull Request #2056.
• The debugPrintable implementation of Request to use curl -v instead of curl -i to be more verbose.
  • Updated by Simon Warta in Pull Request #2070.
• The MultipartFormData contentType property to be mutable.
  • Updated by Eric Desa in Pull Request #2072.
• Travis CI yaml file to enable watchOS 3.2 builds.
  • Updated by Jon Shier in Pull Request #2135.
• Alamofire to build with Xcode 9 with Swift 3.2 and 4.0 in addition to Xcode 8.3 and Swift 3.1.
  • Updated by Jon Shier in Pull Request #2163.

Removed

• Custom string extension no longer needed in the test suite.
  • Removed by Nicholas Maccharoli in Pull Request #1994.

Fixed

• Issue in the URLProtocolTestCase where HTTP header capitalization was wrong due to httpbin.org change.
  • Fixed by Natascha Fadeeva in Pull Request #2025.
• Issues and typos throughout the README documentation and sample code and source code docstrings.
  • Fixed by Raphael R., helloyako, DongHyuk Kim, Bas Broek, Jorge Lucena, MasahitoMizogaki, José Manuel Sánchez, SabinLee, Mat Trudel, Wolfgang Lutz, and Christian Noon in Pull Requests #1995, #1997, #1998, #2022, #2031, #2035, #2080, #2081, #2092, #2095, #2104.
• Several warnings in the test suite related to Xcode 8.3.
  • Fixed by Jon Shier in Pull Request #2057.
• Issue where reachability calculation incorrectly reported .reachable status with [.connectionRequired, .isWWAN] combination.
  • Fixed by Marco Santarossa in Pull Request #2060.