fix download_url

Author: clhuang

setup.py

@@ -30,7 +30,7 @@
     author = 'Calvin Huang',
     author_email = 'c@lvin.me',
     url = 'https://github.com/scaleapi/scaleapi-python-client',
-    download_url = 'https://github.com/scaleapi/scaleapi-python-client/tarball/0.1.2',
+    download_url = 'https://github.com/scaleapi/scaleapi-python-client/tarball/0.1.9',
     keywords = ['scale', 'scaleapi', 'humans', 'tasks', 'categorization', 'transcription', 'annotation', 'comparison', 'data collection', 'phone call', 'audio transcription'],
     install_requires = install_requires,
     classifiers = ['Programming Language :: Python :: 2.7',