Fix offset retrieval in concurrent searches

Change-Id: I5c5392c9128fbbb37a415c5de2e84cf3ce4af324
diff --git a/pom.xml b/pom.xml
index 9cc960b..ab3b1d3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -35,7 +35,7 @@
 
 	<groupId>de.ids_mannheim.korap</groupId>
 	<artifactId>Krill</artifactId>
-	<version>0.58.7</version>
+	<version>0.58.8</version>
 	<packaging>jar</packaging>
 
 	<name>Krill</name>
@@ -292,6 +292,7 @@
 						<exclude>**/TestWPDIndex.java</exclude>
 						<exclude>**/TestRealIndex.java</exclude>
 						<exclude>**/TestSampleIndex.java</exclude>
+						<exclude>**/TestParallelIndex.java</exclude>
 					</excludes>
 				</configuration>
 			</plugin>