Bump pub version to 0.2.2.

Author: buijs-dev

README.md

@@ -39,7 +39,7 @@ Add the Klutter library to dependencies in the pubspec.yaml:
 
 ```yaml  
 dependencies:  
- klutter: ^0.2.1
+ klutter: ^0.2.2
  ```  
   
 Then run:  

pubspec.yaml

@@ -1,6 +1,6 @@
 name: klutter
 description: The Klutter Pub Plugin makes it possible to write a Flutter plugin for both Android and iOS using Kotlin only.
-version: 0.2.1
+version: 0.2.2
 homepage: https://buijs.dev
 repository: https://github.com/buijs-dev/klutter-dart