Version bump.

Author: albop

setup.py

@@ -2,7 +2,7 @@
 
 setup(
     name='interpolation',
-    version='0.1.9',
+    version='0.2.0',
     description='Interpolation in Python',
     url='https://github.com/econforge/interpolation.py',
     author='Chase Coleman, Spencer Lyon and Pablo Winant',