Command-line Interface

I'm excited.  Are you excited?  I'm excited.

```bash
$ git checkout cli
Switched to branch 'cli'
$ ./bin/tutor.js card 'Demonic Tutor'
Demonic Tutor	{1}{B}	Search your library for a card and put that card into your hand. Then shuffle your library.
$/bin/tutor.js set 'Homelands' --page 3                                                                                                                                  
Forget	{U}{U}	Target player discards two cards, then draws as many cards as he or she discarded this way.
Funeral March	{1}{B}{B}	Enchant creature  When enchanted creature leaves the battlefield, its controller sacrifices a creature.
...
```

- [x] fix missing spaces
- [x] describe usage in readme
- [x] rename and refactor 'reporter' functions
- [x] rebase commits to hide own hesitance, idiocy