Update Readme

Author: lucdion

README.md

@@ -33,9 +33,9 @@ Extremely Fast views layouting without auto layout. No magic, pure code, full co
 
 
 ### Requirements
-* iOS 8.0+ / tvOS 9.0+ / macOS 10.9+
-* Swift 4.x / Swift 3.x / Objective-C
-* Xcode 10.x / Xcode 9.x / Xcode 8.x 
+* iOS 13.x / 8.0+ / tvOS 9.0+ / macOS 10.9+
+* Swift 5.x / 4 / 3 / Objective-C
+* Xcode 11 / 10 /9
 
 ### Recent changes/features
 * :star: Add methods to position a view between two other views. See [Layout between other views](#layout_between).