Update log with 0.5.2

Change-Id: I7e9086e5530904cef9d4a3ab329385c5cd59da8d
diff --git a/changelog.txt b/changelog.txt
index d7b3d7e..45178ed 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,3 +1,9 @@
+0.5.2
+
+- Better error reporting for cmd line tools, especially
+  if run in parallel in spawned threads
+- Fix an issue due to windows path in merged resource files.
+
 0.5.1
 
 - Fix issue in the dependency checker.