KorAP-querySerialization independent from 
- KorAP-PoliqarpParser
- KorAP-AnnisParser
- KorAP-Cosmas2Parser
- KorAP-lucene-index

grammars integrated into querySerialization

still depends on KorAP-Entities (e.g. JsonUtils used in QuerySerializer and CollectionQueryBuilder)
diff --git a/src/test/java/PoliqarpPlusTreeTest.java b/src/test/java/PoliqarpPlusTreeTest.java
index 3dc2429..06ac536 100644
--- a/src/test/java/PoliqarpPlusTreeTest.java
+++ b/src/test/java/PoliqarpPlusTreeTest.java
@@ -12,7 +12,7 @@
 
 
 import de.ids_mannheim.korap.query.serialize.QuerySerializer;
-import de.ids_mannheim.korap.util.QueryException;
+import de.ids_mannheim.korap.query.serialize.util.QueryException;
 
 /**
  * Tests for JSON-LD serialization of PoliqarpPlus queries.