change swift 2.3 to swift 3

README.md

@@ -6,7 +6,7 @@
 [![Build Status](https://travis-ci.org/Haneke/HanekeSwift.svg?branch=master)](https://travis-ci.org/Haneke/HanekeSwift)
 [![Join the chat at https://gitter.im/Haneke/HanekeSwift](https://badges.gitter.im/Haneke/HanekeSwift.svg)](https://gitter.im/Haneke/HanekeSwift?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
-Haneke is a lightweight *generic* cache for iOS and tvOS written in Swift 2.3 (Swift 3 coming soon). It's designed to be super-simple to use. Here's how you would initalize a JSON cache and fetch objects from a url:
+Haneke is a lightweight *generic* cache for iOS and tvOS written in Swift 3. It's designed to be super-simple to use. Here's how you would initalize a JSON cache and fetch objects from a url:
 
 ```swift
 let cache = Cache<JSON>(name: "github")
@@ -70,7 +70,7 @@ Manually:
 ## Requirements
 
 - iOS 8.0+ or tvOS 9.1+
-- Swift 2.3
+- Swift 3
 
 ## Using the cache