ENH: Bump setup.py version to 3.2.1

Author: thewtex

setup.py

@@ -12,7 +12,7 @@
 
 setup(
     name='itk-texturefeatures',
-    version='3.2.0',
+    version='3.2.1',
     author='Insight Software Consortium',
     author_email='[email protected]',
     packages=['itk'],