Merge pull request #10 from gca3020/travis_update

Updates to try and get TravisCI working again.

Author: gca3020

.travis.yml

@@ -2,7 +2,7 @@
 # * http://www.objc.io/issue-6/travis-ci.html
 # * https://github.com/supermarin/xcpretty#usage
 
-osx_image: xcode8.2
+osx_image: xcode9
 language: objective-c
 
 before_install:
@@ -13,7 +13,7 @@ script:
   - set -o pipefail
   - xcodebuild -version
   - xcodebuild -showsdks
-  - xcodebuild test -workspace Example/GABoardGameGeek.xcworkspace -scheme GABoardGameGeek-Example -sdk iphonesimulator10.2 -destination 'platform=iOS Simulator,name=iPhone 7,OS=10.1' ONLY_ACTIVE_ARCH=YES | xcpretty
+  - xcodebuild test -workspace Example/GABoardGameGeek.xcworkspace -scheme GABoardGameGeek-Example -sdk iphonesimulator11.0 -destination 'platform=iOS Simulator,name=iPhone 8,OS=11.0' ONLY_ACTIVE_ARCH=YES | xcpretty
 
 after_success:
   - bash <(curl -s https://codecov.io/bash) -J 'GABoardGameGeek'

README.md

@@ -3,7 +3,7 @@
 [![Build Status](https://travis-ci.org/gca3020/GABoardGameGeek.svg?branch=master)](https://travis-ci.org/gca3020/GABoardGameGeek)
 [![codecov.io](https://codecov.io/github/gca3020/GABoardGameGeek/coverage.svg?branch=master)](https://codecov.io/github/gca3020/GABoardGameGeek?branch=master)
 [![Version](https://img.shields.io/cocoapods/v/GABoardGameGeek.svg?style=flat)](http://cocoapods.org/pods/GABoardGameGeek)
-![Swift version](https://img.shields.io/badge/swift-3.0-orange.svg)
+![Swift version](https://img.shields.io/badge/swift-4.0-orange.svg)
 [![Platform](https://img.shields.io/cocoapods/p/GABoardGameGeek.svg?style=flat)](http://cocoadocs.org/docsets/GABoardGameGeek)
 [![License](https://img.shields.io/cocoapods/l/GABoardGameGeek.svg?style=flat)](http://cocoapods.org/pods/GABoardGameGeek)
 [![Twitter](https://img.shields.io/badge/twitter-@gca3020-blue.svg?style=flat)](http://twitter.com/gca3020)
@@ -21,7 +21,7 @@ BoardGameGeek XMLAPI2 Swift Framework for interacting with games and collections
 
 - iOS 8.0+, macOS 10.10+, tvOS 9.0+, watchOS 2.0+
 - Xcode 8.1+
-- Swift 3.0
+- Swift 4.0
 
 ## Dependencies