ENH: Update python package version for modules

This will bump the package version in setup.py from 1.1.6 to 1.2.0

Author: mseng10

setup.py

@@ -12,7 +12,7 @@
 
 setup(
     name='itk-anisotropicdiffusionlbr',
-    version='1.1.3',
+    version='1.2.0',
     author='Insight Software Consortium',
     author_email='community@itk.org',
     packages=['itk'],