added version number to cli
Added a cabal file for easy compilation

We generate a 'digitalocean-status' binary which not only showcases
the features of the library, but should hopefully be a fairly useful
way of interacting with your droplets from a command line interface.
Made changes to conform with pull request
Even more compliance changes for pull request.
Now removed the vile tabs in the cabal file.

This'll teach me to forget to migrate my .vimrc to this machine.
Merge pull request #1 from jarjee/master

Made a cabal file for this library