Print the serialization of query.

Change-Id: Ia19ce50b711202b39367109112e3c221625999b3
diff --git a/src/main/java/de/ids_mannheim/korap/query/serialize/QuerySerializer.java b/src/main/java/de/ids_mannheim/korap/query/serialize/QuerySerializer.java
index 1929d0c..90c686f 100644
--- a/src/main/java/de/ids_mannheim/korap/query/serialize/QuerySerializer.java
+++ b/src/main/java/de/ids_mannheim/korap/query/serialize/QuerySerializer.java
@@ -167,7 +167,7 @@
         String ser;
         try {
             ser = mapper.writeValueAsString(raw());
-            qllogger.info("Serialized query: " + ser);
+            System.out.println("Serialized query: " + ser);
 		} catch (JsonProcessingException e) {
             return "";
         }