Introduced experimental X-Index-Revision header

Change-Id: Ida1bf82a59217ff8953cef0e1e5e2c5276f04a39
diff --git a/core/pom.xml b/core/pom.xml
index c7b4e8b..334f9dc 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -298,7 +298,7 @@
 		<dependency>
 			<groupId>de.ids_mannheim.korap</groupId>
 			<artifactId>Krill</artifactId>
-			<version>[0.59.1,)</version>
+			<version>[0.59.2,)</version>
 			<exclusions>
 				<exclusion>
 					<groupId>org.glassfish.jersey.containers</groupId>