Update for 2.2.1

Author: LukeTangPL

README.md

@@ -91,15 +91,15 @@ platform :ios, '8.0'
 use_frameworks!
 
 target 'MyApp' do
-    pod 'SwiftyJSON', '~> 2.2.0'
+    pod 'SwiftyJSON', '~> 2.2.1'
 end
 ```
 Note that it needs you to install CocoaPods 36 version, and requires your iOS deploy target >= 8.0:
 
 ####Carthage (iOS 8+, OS X 10.9+)
 You can use [Carthage](https://github.com/Carthage/Carthage) to install `SwiftyJSON` by adding it to your `Cartfile`:
 ```
-github "SwiftyJSON/SwiftyJSON" >= 2.2.0
+github "SwiftyJSON/SwiftyJSON" >= 2.2.1
 ```
 
 ####Manually (iOS 7+, OS X 10.9+)

SwiftyJSON.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name        = "SwiftyJSON"
-  s.version     = "2.2.0"
+  s.version     = "2.2.1"
   s.summary     = "SwiftyJSON makes it easy to deal with JSON data in Swift"
   s.homepage    = "https://github.com/SwiftyJSON/SwiftyJSON"
   s.license     = { :type => "MIT" }
@@ -9,6 +9,6 @@ Pod::Spec.new do |s|
   s.requires_arc = true
   s.osx.deployment_target = "10.9"
   s.ios.deployment_target = "8.0"
-  s.source   = { :git => "https://github.com/SwiftyJSON/SwiftyJSON.git", :tag => "2.2.0"}
+  s.source   = { :git => "https://github.com/SwiftyJSON/SwiftyJSON.git", :tag => "2.2.1"}
   s.source_files = "Source/*.swift"
 end