release 0.4.7

(as it should have also said in the last commit)

Author: drewda

setup.py

@@ -9,7 +9,7 @@
     long_description = f.read()
 
 setup(name='interline-planetutils',
-    version='0.4.6',
+    version='0.4.7',
     description='Interline PlanetUtils',
     long_description=long_description,
     url='https://github.com/interline-io/planetutils',