Add note about tornado support in changelog

mvantellingen · mvantellingen · commit 1f1fc102b926 · 2017-08-12T09:15:21.000+02:00
diff --git a/CHANGES b/CHANGES
@@ -1,5 +1,6 @@
 2.4.0 (unreleased)
 ------------------
+ - Add support for tornado async transport via gen.coroutine (#530, Kateryna Burda)
  - Check if soap:address is defined in the service port instead of raising an
    exception (#527)
 
