Consistency Updates/Puts CLI more on par with API in docs

* Moves auth handlers to its own module
* Made CLI and API landing pages in the docs. The primary index links to those pages and little else.
* Links to both the CLI and API landing pages in the README.md
* Fixes several spacing inconsistencies in the docopt sections
Moves auth tests to its own file
Merge pull request #141 from sudorandom/v3

Consistency Updates/Puts CLI more on par with API in docs