Bump version to 0.2.0

And fix README content type.

Author: mehaase

setup.py

@@ -8,9 +8,10 @@
 
 setup(
     name='chrome-devtools-protocol',
-    version='0.1.0',
+    version='0.2.0',
     description='Python type wrappers for Chrome DevTools Protocol (CDP)',
     long_description=long_description,
+    long_description_content_type='text/markdown',
     url='https://github.com/HyperionGray/python-chrome-devtools-protocol',
     author='Mark E. Haase <mehaase@gmail.com>, Brian Mackintosh <bcmackintosh@gmail.com>',
     classifiers=[