Update setup and readme

README.md

 `pip install gitstats`
 
 `gitstats <repo_dir>+ <output_dir>`
+
+## Dependencies
+
+This module is dependant upon [Tokei](https://github.com/Aaronepower/tokei). On OSX, `brew install tokei`

setup.py

 from setuptools import setup, find_packages
 
 setup(
-    name='gitstats-dwr',
+    name='gitstats',
     version=versioneer.get_version(),
     cmdclass=versioneer.get_cmdclass(),
     description='gitstats',
 
     entry_points={
         'console_scripts': [
-            'gitstats = gitstats:main',
+            'gitstats = gitstats.git_csv_generator:gen_csv',
         ],
     },
-    # entry_points={
-        # 'console_scripts': [
-            # 'sample=sample:main',
-        # ],
-    # },
 )