Fixed SpringJerseyTest, handled VCRef with username, enabled
VCReferenceTest in test suite.

Change-Id: I1e500b85c010496cae5ed809c4cfa6d7e665cb6a
diff --git a/core/Changes b/core/Changes
index 1b78700..02f361e 100644
--- a/core/Changes
+++ b/core/Changes
@@ -3,6 +3,8 @@
    - Removed log4j loader and old OAuth2 implementation codes(margaretha)
 13/09/2018
    - Updated KoralNode and enforced order of RewriteTask (margaretha)
+14/09/2018
+   - Added a status code for nonunique results (margaretha)
     
 version 0.61.1
 28/08/2018
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 1194bd9..ec2a148 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
@@ -26,6 +26,7 @@
     public static final int HTTPS_REQUIRED = 110;
     public static final int INVALID_ALGORITHM = 111;
     public static final int UNSUPPORTED_API_VERSION = 112;
+    public static final int NON_UNIQUE_RESULT_FOUND = 113;
     
     /**
      * 200 status codes general JSON serialization error