Changelog (assuming unit tests are going to pass!)

CHANGELOG.rst

@@ -2,6 +2,14 @@ This document contains the ``fslpy`` release history in reverse chronological
 order.
 
 
+1.5.3 (Tuesday January 9rd 2018)
+--------------------------------
+
+
+* Bug fix to :meth:`.ImageWrapper.__expandCoverage` - was not correctly handling
+  large images with lots of ``nan`` values.
+
+
 1.5.2 (Tuesday January 2nd 2018)
 --------------------------------