Update setup.py

Adding more metadata to setup.py for a more complete listing on pypi
Merge pull request #1 from lowks/patch-2

Updated  setup.py :), i
More details in setup.py
Changed for loop to use map instead
More error handling
Updated with git.py
 Tested and fixed bugs
Merge branch 'master' of github.com:maverick97/shelldon
Better formatting
Better support message
Better subtitle
Updated terminal use
Updated with tweet link
Resolving conflicts