Set version to 0.3

Author: Florian Lautenschlager

build.gradle

@@ -58,7 +58,7 @@ subprojects {
     apply plugin: 'com.jfrog.bintray'
     apply plugin: 'com.github.hierynomus.license'
 
-    version = "0.2"
+    version = "0.3"
 
     license {
         includes(["**/*.java", "**/*.groovy"])