Bump Kustvakt version to 0.70

Change-Id: I14aca85b18f6d97ecff85703f975ad8044010233
diff --git a/full/Changes b/full/Changes
index 70f836e..095fdd8 100644
--- a/full/Changes
+++ b/full/Changes
@@ -1,3 +1,5 @@
+# version 0.70
+
 # version 0.69.4
 
 - Support token array in matchinfo (fixes #570; diewald)