add changes to CHANGELOG

Author: harripj

CHANGELOG.md

@@ -8,12 +8,15 @@
 
 ### Changed
 
+- Bumped minimum `PyCifRW` version to `4.4.3`.
+
 ### Deprecated
 
 ### Removed
 
 ### Fixed
 
+- Handling of paths on Windows when using the `P_cif` parser.
 
 ## Version 3.0.1 – 2019-06-27
 

src/diffpy/structure/tests/testloadstructure.py

@@ -40,7 +40,7 @@ def test_cif(self):
         self.assertTrue(isinstance(stru, Structure))
         self.assertFalse(isinstance(stru, PDFFitStructure))
         return
-        
+
 
     def test_badfile(self):
         """check loading of CIF file format