fix setup.py
replace: /usr/bin/python -> /usr/bin/env python
rm .DS_Store
ignore .DS_Store, .egg, build, diet, .swp

and fix typo
pep8: use snake case for module names
update imports

- rm unused imports
- import modules instead of objects
rename function: compiler.performConversion -> convert_to_slugsin

and expose it in __init__
use logging instead of print
document slugsin and structured slugs