[new] Initial project structure
[config] distinct tasks in rakefile for create virtualenv and install dependencies.
[config] DS_STore in gitignore
[config] change default task to tests
[update] VERSION attribute and MANIFEST.in file
[config] cover package option in nose tests config file
[config] fixed rake reset_tag task
[config] better env tasks
[config] added requirements to setup.py
Update README.md
[config] all command in Rakefile. Better command to remove pyc files.
Initial version