Update version in setup.py to 0.2.0

Author: Bjwebb

setup.py

@@ -8,7 +8,7 @@
 
 setup(
     name='flattentool',
-    version='0.0.0',
+    version='0.2.0',
     author='Ben Webb',
     author_email='[email protected]',
     packages=['flattentool'],