Merge branch 'release/0.2.0' into develop

Author: zardaloop

setup.py

@@ -8,7 +8,7 @@
                  description="Python API for OpenML",
                  license="GPLv3",
                  url="http://openml.org/",
-                 version="0.0.1dev",
+                 version="0.2.0",
                  packages=setuptools.find_packages(),
                  package_data={'': ['*.txt', '*.md']},
                  install_requires=["liac-arff>=2.1.1dev",