Preliminary support of arbitrary meta data fields

Change-Id: I81b6a1fca2fe415af51c8693fb7d6a4edccab22c
diff --git a/pom.xml b/pom.xml
index 81d2921..3cb6196 100644
--- a/pom.xml
+++ b/pom.xml
@@ -35,7 +35,7 @@
 
 	<groupId>de.ids_mannheim.korap</groupId>
 	<artifactId>Krill</artifactId>
-	<version>0.58.2</version>
+	<version>0.58.3</version>
 	<packaging>jar</packaging>
 
 	<name>Krill</name>