Update date for 0.8.4 release to In progress.
diff --git a/CHANGES.txt b/CHANGES.txt
index f02ff36..b883500 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -8,7 +8,7 @@
 ALL CHANGES:
 
 
-Release 0.8.4: 2016-07-06
+Release 0.8.4: In progress.
 
 INCOMPATIBLE CHANGES