Merge pull request #2 from cojoj/swift-4

Swift 4

Author: cojoj

Package.swift

@@ -1,25 +1,19 @@
-//
-//  CodeRunnerCLI
-//
-//  Copyright (c) Mateusz Zając 2017
-//  Licensed under the MIT license. See LICENSE file.
-//
+// swift-tools-version:4.0
+// The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
 
 let package = Package(
     name: "CodeRunnerCLI",
+    dependencies: [
+        .package(url: "https://github.com/JohnSundell/Files", from: "1.9.0"),
+        .package(url: "https://github.com/JohnSundell/ShellOut", from: "1.0.0"),
+        .package(url: "https://github.com/JohnSundell/Require", from: "1.0.0")
+    ],
     targets: [
-        Target(
-            name: "CodeRunnerCLI",
-            dependencies: ["CodeRunnerCore"]
-        ),
-        Target(name: "CodeRunnerCore")
+        .target(name: "CodeRunnerCLI", dependencies: ["CodeRunnerCore"]),
+        .testTarget(name: "CodeRunnerCLITests", dependencies: ["CodeRunnerCore"]),
+        .target(name: "CodeRunnerCore", dependencies: ["Files", "ShellOut", "Require"])
     ],
-    dependencies: [
-        // Be sure to change this one to original repository once new version is released
-        .Package(url: "https://github.com/cojoj/Files.git", majorVersion: 1),
-        .Package(url: "https://github.com/JohnSundell/ShellOut.git", majorVersion: 1),
-        .Package(url: "https://github.com/JohnSundell/Require.git", majorVersion: 1)
-    ]
+    swiftLanguageVersions: [4]
 )

README.md

@@ -1,7 +1,8 @@
 # CodeRunnerCLI
 
-[![Swift](https://img.shields.io/badge/Swift-3.2-lightgrey.svg)](https://swift.org)
-[![SPM](https://img.shields.io/badge/SPM-compatible-brightgreen.svg)](https://swift.org/package-manager)
+[![Swift](https://img.shields.io/badge/Swift-4.0-brightgreen.svg)](https://swift.org)
+[![SPM](https://img.shields.io/badge/SPM-v4-brightgreen.svg)](https://swift.org/package-manager)
+![OS](https://img.shields.io/badge/compatible-macOS%2010.11-lightgrey.svg)
 [![GitHub release](https://img.shields.io/github/release/cojoj/CodeRunnerCLI.svg)](https://github.com/cojoj/CodeRunnerCLI/releases/latest)
 
 I won't be advertising here for [CodeRunner 2](https://coderunnerapp.com), but it's a great app! 😅
@@ -14,7 +15,7 @@ Wait no more! It's here and written in nothing else, but **Swift**! 🙌
 # Requirements
 
 This tool is for **macOS only**. To run it, make sure you have:
-+ **Swift 3.2** (SPM)
++ **Swift 4.0** (SPM v4)
 + **macOS 10.11** or higher
 + **Git**