Update version to 0.2 and add package dependency on itk v5.1.1

Author: blowekamp

setup.py

@@ -13,7 +13,7 @@
 
 setup(
     name='itk-simpleitkfilters',
-    version='0.1.0',
+    version='0.2.0',
     author='SimpleITK',
     author_email='itk+community@discourse.itk.org',
     packages=['itk'],
@@ -44,6 +44,6 @@
     keywords='ITK InsightToolkit',
     url=r'https://itk.org/',
     install_requires=[
-        r'itk>=5.1.0.post2'
+        r'itk>=5.1.1''
     ]
     )