bump pypi version

Author: clhuang

setup.py

@@ -25,7 +25,7 @@
 setup(
     name = 'scaleapi',
     packages = ['scaleapi'],
-    version = '0.2.15',
+    version = '0.2.16',
     description = 'The official Python client library for the Scale API, the API for human intelligence.',
     author = 'Calvin Huang',
     author_email = 'c@lvin.me',