Do not decode string in functions but pass it as parameter decoded
Add a set of tools to deals with colors
Add a docstring to the poppinsbag module
Add test in ssl certificate docstring
Add a tox.ini file to handle package testing

This tox configuration use nosetest --with-doctest
Add doctest to colors class
Change the way Color is init

Add a way to init color with string
Add a way to convert RGB to HSL color model

Compute HSL model with S and L as 255 percent
Add a __getitem__ method to access color components

Component are for now R,G,B,H,S or L (lower or uppercase)
R. v 0.2.0