Docs small update
Small docstring update
First Dropbox Crawler version

Very ugly, but it works. Needs a lot of refactoring starting by eliminating the recursion.
sqlalchemytest removed
Dropbox crawler refactoring (not complete yet)

Dropbox's crawler, response, entry are purely oo now, the code is very clean.
Integration w/ Redis still WIP.
Dropbox's downloader and indexer still not refactored.
Dropbox crawler refactoring (not complete yet)

Dropbox's downloader is purely oo now, the code is very clean.
Integration w/ Redis complete for crawler, still WIP for downloader.
Dropbox's indexer still not refactored.