Added error code for missing query reference

Change-Id: Iad39ab75174d71135cc0238f8a8b42acca6f84ec
diff --git a/pom.xml b/pom.xml
index b6d879d..d0e8b40 100644
--- a/pom.xml
+++ b/pom.xml
@@ -35,7 +35,7 @@
 
 	<groupId>de.ids_mannheim.korap</groupId>
 	<artifactId>Krill</artifactId>
-	<version>0.59.2</version>
+	<version>0.59.3</version>
 	<packaging>jar</packaging>
 
 	<name>Krill</name>
@@ -82,7 +82,7 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.11</version>
+			<version>4.13.1</version>
 			<scope>test</scope>
 		</dependency>