Fixed poliqarp layer bug (#52) & replaced log4j with log4j2.

Change-Id: I29e34b51ae71aaf98e59d206d54f8c640824ef2e
diff --git a/Changes b/Changes
index 9ec1522..4edfab6 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,7 @@
 0.33 2019-01-08
     - Added debug flags (margaretha)
+    - [bugfix] Fixed poliqarp layer bug (#52; margaretha)
+    - Replaced log4j with log4j2 (margaretha)
     
 0.32 2018-12-13
     - [bugfix] Support verbatim string queries (#57; diewald).