Merge pull request #62 from murselturk/swift4.2

Use Xcode 10 and Swift 4.2

.swift-version

@@ -1 +1 @@
-4.1
+4.2

.travis.yml

@@ -1,18 +1,18 @@
-osx_image: xcode9.3
+osx_image: xcode10
 language: objective-c
 sudo: required
 env:
   global:
     - PROJECT="Then.xcodeproj"
     - SCHEME="Then-Package"
-    - IOS_SDK="iphonesimulator11.3"
-    - MACOS_SDK="macosx10.13"
-    - TVOS_SDK="appletvsimulator11.3"
+    - IOS_SDK="iphonesimulator12.0"
+    - MACOS_SDK="macosx10.14"
+    - TVOS_SDK="appletvsimulator12.0"
     - FRAMEWORK="Then"
   matrix:
-    - SDK="$IOS_SDK"      DESTINATION="platform=iOS Simulator,name=iPhone 8,OS=11.3"
+    - SDK="$IOS_SDK"      DESTINATION="platform=iOS Simulator,name=iPhone 8,OS=12.0"
     - SDK="$MACOS_SDK"    DESTINATION="arch=x86_64"
-    - SDK="$TVOS_SDK"     DESTINATION="OS=11.3,name=Apple TV 4K"
+    - SDK="$TVOS_SDK"     DESTINATION="OS=12.0,name=Apple TV 4K"
 
 install:
   - eval "$(curl -sL https://gist.githubusercontent.com/kylef/5c0475ff02b7c7671d2a/raw/9f442512a46d7a2af7b850d65a7e9bd31edfb09b/swiftenv-install.sh)"

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:4.0
+// swift-tools-version:4.2
 
 import PackageDescription
 

README.md

@@ -1,6 +1,6 @@
 # Then
 
-![Swift](https://img.shields.io/badge/Swift-4.1-orange.svg)
+![Swift](https://img.shields.io/badge/Swift-4.2-orange.svg)
 [![CocoaPods](http://img.shields.io/cocoapods/v/Then.svg)](https://cocoapods.org/pods/Then)
 [![Build Status](https://travis-ci.org/devxoul/Then.svg?branch=master)](https://travis-ci.org/devxoul/Then)
 [![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)