ENH: Update python package version for modules

This will bump the package version in setup.py from 1.0.6 to 1.0.7

Author: mseng10

setup.py

@@ -13,7 +13,7 @@
 
 setup(
     name='itk-higherorderaccurategradient',
-    version='1.0.6',
+    version='1.0.7',
     author='Matthew M. McCormick',
     author_email='matt.mccormick@kitware.com',
     packages=['itk'],