Merge pull request #241 from InsightSoftwareConsortium/bump-0.18

ENH: Bump Python package version to 0.18

Author: tbirdso

setup.py

@@ -18,7 +18,7 @@
 
 setup(
     name=package_name,
-    version='0.17.3',
+    version='0.18.0',
     author='Insight Software Consortium',
     author_email='itk+community@discourse.itk.org',
     packages=['itk'],