added __init__.py, nb_api.py and people.py, which contain the refactored people api
Update README.md

Updated README example to reflect new People class
removed old nationbuilder.py
Merge branch 'refactored' of https://github.com/nikr/nbpy into refactored
changed logging to use named logger.
added more file documentation
spelling correction
list_tags now returns a list of tag names.
It used to return a list of {'name':'tagname'} dicts. now just returns the tagnames.

Also cleaned up documentation a bit.
get_person_by_email() now returns None instead of raising exception if not found.

Similarly get_id_by_email.
added match_person() for general matching.
cleaned docs a little bit
Moved tag-related
moved tag-related stuff to tags.py
clean docs
clean docs
Added package docs and moved URLs into here.
clean docs and fixes some silly bugs
general fixup.
fix import
Moved URLs into nb_api.NationBuilderApi.

They have been moved from __init__ because they all rely on the nation
slug, which is only set once the NationBuilderApi has been
instantiated. They are not in the subclasses, as some of them are used
by different APIs (sort of).
Added emacs and library gitignore patterns