Update version to 0.0.2

Add n= keyword argument to Endpoint for head-like functionality

Slightly better finding of structure file in directories

Whoops, periods should be escaped the demo structure file in README

Sort Endpoints and fields alphabetically in Dataset __repr__

Update README to reflect illegality of pip

Update README and setup.py for PyPI

Add README section for exploring with info() and values()

Add method values() to Endpoint

Add info() method to Endpoint

Change __repr__ of Dataset to only list Endpoint fields, not full Endpoint __repr__, since it's too cluttered

Add methods to escape and un-escape literal regexes

Minor formatting tweak in README

Emphasize important terms in README

Use `pycon` for console code blocks in README