Cleanup README & add Markdown support.

README.md

@@ -7,19 +7,15 @@ It should work on Windows/Linx/Mac, and also supports os-specific permissions.
 
 To install the library, run:
 ```
-
 pip install chromedriver-install
-
 ```
 
 
 Then call it in your code like so:
 ```python
-
 import chromedriver_install as cdi
 path = cdi.install(file_directory='./lib/', verbose=True, chmod=True, overwrite=False, version=None)
 print('Installed chromedriver to path: %s' % path)
-
 ```
 
 There are options for the output directory, disabling printout, running chmod on the downloaded executable, 

setup.py

@@ -14,6 +14,7 @@ def readme(file='', split=False):
 	version='0.3',
 	description='Package for installing the latest chromedriver automatically.',
 	long_description=readme('README.md'),
+	long_description_content_type='text/markdown',
 	url='http://github.com/shadowmoose/chrome_driver',
 	author='ShadowMoose',
 	author_email='shadowmoose@github.com',