Fixed session authentication & some other tests.

Change-Id: Ie863d53f0542d7a6964caab284bc038f1a1c82c6
diff --git a/pom.xml b/pom.xml
index 2b792bd..514e0e6 100644
--- a/pom.xml
+++ b/pom.xml
@@ -333,7 +333,7 @@
         <dependency>
             <groupId>de.ids_mannheim.korap</groupId>
             <artifactId>Koral</artifactId>
-            <version>0.26</version>
+            <version>0.27</version>
             <exclusions>
                 <exclusion>
                     <groupId>org.eclipse.jetty</groupId>