update podspec and version

Author: Unknown

Persei.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |spec|
     spec.name = "Persei"
-    spec.version = '3.1.1'
+    spec.version = '4.0.0'
 
     spec.homepage = "https://github.com/Yalantis/Persei"
     spec.summary = "Animated top menu for UITableView / UICollectionView / UIScrollView in Swift!"
@@ -10,8 +10,8 @@ Pod::Spec.new do |spec|
     spec.license = { :type => "MIT", :file => "LICENSE" }
     spec.social_media_url = "https://twitter.com/yalantis"
 
-    spec.platform = :ios, '9.0'
-    spec.ios.deployment_target = '9.0'
+    spec.platform = :ios, '11.0'
+    spec.ios.deployment_target = '11.0'
 
     spec.source = { :git => "https://github.com/Yalantis/Persei.git", :tag => spec.version }
 

README.md

@@ -19,7 +19,8 @@ Check this [project on Behance](https://www.behance.net/gallery/20411445/Mobile-
 | 1.x | 1.1 |
 | 2.x | 2.0 |
 | 3.x | 3.0 |
-| **4.x** | **3.1** |
+| 4.x | 3.1|
+| **5.x** | **4.0** |
 
 ## Installation
 
@@ -28,13 +29,13 @@ Check this [project on Behance](https://www.behance.net/gallery/20411445/Mobile-
 ```ruby
 use_frameworks!
 
-pod 'Persei', '~> 3.0'
+pod 'Persei', '~> 4.0'
 ```
 
 ### [Carthage](http://github.com/Carthage/Carthage)
 
 ```ruby
-github "Yalantis/Persei" ~> 3.0
+github "Yalantis/Persei" ~> 4.0
 ```
 
 ### Manual Installation