Added skeleton of new refactoring
stuff
stuff
Removed abstration aas it doesn't seem to be adding anything
Added the xLabels back
Changed chart into OO
Fixed setStacked and setGrouped
the beginnings of abstracting functions to a generic chart object
Fixed setOptions bug
Separated render and setup
Fixed problem with x axis
Tidy up of setTo code
Tidied up Specs
Added bar graph spec file
Added why.md
Added a few notes and examples page
added a little style to examples
Added stacked and grouped bar chart to examples
Split chart initialisation into method sections
Added example stylesheet