0.19.0: Implicitly Unwrapped Cat Fur

Breaking

• SourceKitten now requires Xcode 9 and Swift 3.2+ to build.
  Norio Nomura

• Deprecated Request.failableSend(). Please use Request.send() instead.
  Norio Nomura

• Some APIs changed to throws.

  • File.format(trimmingTrailingWhitespace:useTabs:indentWidth:) throws
  • Structure.init(file:) throws
  • SyntaxMap.init(file:) throws
    Norio Nomura

Enhancements

• Return SWIFT_NAME when generating Objective-C docs.
  Ibrahim Ulukaya

Bug Fixes

• Fix Swift declarations when generating Objective-C docs for generic types.
  John Fairhurst