Update swift version to 4.1

mendesbarreto · mendesbarreto · commit 90f8b60f9158 · 2018-04-09T19:23:05.000-03:00
diff --git a/.swift-version b/.swift-version
@@ -1 +1 @@
-4.0
+4.1
diff --git a/Package.swift b/Package.swift
@@ -1,4 +1,4 @@
-// swift-tools-version:4.0
+// swift-tools-version:4.1
 
 import PackageDescription
 
