Prepare release

Change-Id: I06f798319ac94ad7522f818e4f41ed3ea347d4fb
diff --git a/pom.xml b/pom.xml
index a7b348e..359df20 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>de.ids_mannheim.korap</groupId>
   <artifactId>KalamarExportPlugin</artifactId>
   <packaging>jar</packaging>
-  <version>0.3</version>
+  <version>0.3.0</version>
   <name>KalamarExportPlugin</name>
   <url>https://korap.ids-mannheim.de/</url>