Updates version number to 1.7.0
diff --git a/CHANGES b/CHANGES
index 90f88a5..4ccabf6 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+Changes for 1.7.0:
+
+TO BE WRITTEN.
+
 Changes for 1.6.0:
 
 * Compilation is much faster and uses much less memory, especially