Updated Krill version & added controller tests with OAuth2 access token.

Change-Id: Ib26d297a1446e5a4a6d6f4c5035b4e0a0e5f3fb9
diff --git a/core/Changes b/core/Changes
index 2ef9397..3c77c97 100644
--- a/core/Changes
+++ b/core/Changes
@@ -1,6 +1,7 @@
 version 0.60.3
-09/05/2018
+30/05/2018
 	- added parameter checker for collection (margaretha)
+	- updated krill version (margaretha)
 	
 version 0.60.2
 25/04/2018
diff --git a/core/pom.xml b/core/pom.xml
index 3659102..2cc97db 100644
--- a/core/pom.xml
+++ b/core/pom.xml
@@ -251,7 +251,7 @@
 		<dependency>
 			<groupId>de.ids_mannheim.korap</groupId>
 			<artifactId>Krill</artifactId>
-			<version>0.56.2</version>
+			<version>0.57.0</version>
 			<exclusions>
 				<exclusion>
 					<groupId>org.xerial</groupId>
diff --git a/core/src/main/java/de/ids_mannheim/korap/exceptions/StatusCodes.java b/core/src/main/java/de/ids_mannheim/korap/exceptions/StatusCodes.java
index 1e56206..b93892b 100644
--- a/core/src/main/java/de/ids_mannheim/korap/exceptions/StatusCodes.java
+++ b/core/src/main/java/de/ids_mannheim/korap/exceptions/StatusCodes.java
@@ -159,6 +159,8 @@
     public static final int ACCOUNT_NOT_CONFIRMED = 2004;
     public static final int ACCOUNT_DEACTIVATED = 2005;
 
+    public static final int INVALID_ACCESS_TOKEN = 2006;
+    
     //    public static final int CLIENT_AUTHORIZATION_FAILED = 2013;
     public static final int AUTHORIZATION_FAILED = 2010;