cache complete NSCachedURLResponse instead of only the data

EVURLCache.podspec

@@ -8,7 +8,7 @@ Pod::Spec.new do |s|
 #
 
 s.name         = "EVURLCache"
-s.version      = "2.1.5"
+s.version      = "2.2.0"
 s.summary      = "NSURLCache subclass for handeling all web requests that use NSURLRequest"
 s.description  = "This is a NSURLCache subclass for handeling all web requests that use NSURLRequest. (This includes UIWebView)"
 s.homepage     = "https://github.com/evermeer/EVURLCache"

EVURLCache/Pod/EVURLCache.swift

@@ -99,15 +99,11 @@ public class EVURLCache : NSURLCache {
             } catch {}
         }
 
-
-        // Return the cache response
-        if let content:NSData = NSData(contentsOfFile: storagePath) {
-            let mimeType = getMimeType(storagePath)
-            let response = NSURLResponse(URL: request.URL!, MIMEType: mimeType, expectedContentLength: content.length, textEncodingName: nil)
-            EVURLCache.debugLog("CACHE returning cache response: mimeType = \(mimeType), path = \(storagePath)");
-            return NSCachedURLResponse(response: response, data: content)
-        }
-        EVURLCache.debugLog("CACHE could not be read from \(storagePath)");
+        // Read object from file
+        if let response = NSKeyedUnarchiver.unarchiveObjectWithFile(storagePath) as? NSCachedURLResponse {
+            EVURLCache.debugLog("Returning cached data from \(storagePath)");
+            return response
+        }
         return nil
     }
 
@@ -160,7 +156,7 @@ public class EVURLCache : NSURLCache {
 
         // save file
         EVURLCache.debugLog("Writing data to \(storagePath)");
-        if !cachedResponse.data.writeToFile(storagePath, atomically: true) {
+        if !NSKeyedArchiver.archiveRootObject(cachedResponse, toFile: storagePath) {
             EVURLCache.debugLog("Could not write file to cache");
         } else {
             EVURLCache.debugLog("CACHE save file to Cache  : \(storagePath)");

EVURLCache/ViewController.swift

@@ -16,7 +16,7 @@ class ViewController: UIViewController {
         super.viewDidLoad()
         // Do any additional setup after loading the view, typically from a nib.
 
-        if let url = NSURL(string: "http://evict.nl") {
+        if let url = NSURL(string: "http://game.zorropk.com/gamenow/xiao5haiyanglixianji/") {
             webView.loadRequest(NSURLRequest(URL: url))
         }
     }