Don't include comment in contiguous list

Closes #236
diff --git a/CHANGELOG b/CHANGELOG
index 4ad23bf..883efa7 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -7,6 +7,8 @@
 - Prefer not to split after the opening of a subscript.
 - Don't add space before the 'await' keyword if it's preceded by an opening
   paren.
+- When we're setting the split penalty for a continuous list, we don't want to
+  mistake a comment at the end of that list as part of the list.
 
 ## [0.8.1] 2016-05-18
 ### Fixed