draft for file upload example
drafted some models and controllers
moving towards sqlalchemy
stub
fix Base usage
fixes Base class and requirements
Merge pull request #4 from avilaton/sqlalchemy

Sqlalchemy implementation
fix data template and readme
break fetch.py but use sqlalchemy
remove old db
completed data model and part of fetch strategy
drivers model
Merge pull request #2 from avilaton/master

Usa Sqlalchemy para db y modelos