Fixed KustvaktResponseHandler and missing exceptions in JsonUtils. 

Change-Id: I3a95361659cebf91dc9175d08891dd67815b1851
diff --git a/core/pom.xml b/core/pom.xml
index 51c7bab..465f0b9 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -3,7 +3,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>de.ids_mannheim.korap</groupId>
 	<artifactId>Kustvakt-core</artifactId>
-	<version>0.59.8</version>
+	<version>0.59.9</version>
 
 	<properties>
 		<java.version>1.7</java.version>