Updated to Swift 4.2.

Florian Rieger · Florian Rieger · commit b59b85865031 · 2019-02-07T14:03:55.000+01:00
diff --git a/Package.swift b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:4.0
+// swift-tools-version:4.2
 
 import PackageDescription
 
diff --git a/README.md b/README.md
@@ -1,5 +1,5 @@
 # ACInteractor
-[![License](https://img.shields.io/badge/swift-4.0-orange.svg)](https://swift.org)
+[![License](https://img.shields.io/badge/swift-4.2-orange.svg)](https://swift.org)
 [![License](https://img.shields.io/badge/license-Apache_2.0-blue.svg)](https://raw.githubusercontent.com/appcron/acinteractor/master/LICENSE)
 
 Swift Package for a Use Case centric architecture as proposed by Robert C. Martin and others.
