CHANGES.md in pycall-1.3.1 vs CHANGES.md in pycall-1.4.0

@@ -1,6 +1,14 @@
 # The change history of PyCall
 
+## 1.4.0
+
+* Explicitly states that Windows is not supported yet in README
+* Add PyCall.same?
+* Improve conda support
+* Fat gem is no longer supported
+* Use WeakMap for caching PyPtr instances
+
 ## 1.3.1
 
 * Stop using `&proc` idiom to prevent warnings
 
   *Kenta Murata*