Expose a GET resource to compute the version per emacs-lisp package name
Disjoin the computation from the visual computation of the chart
Add sample to save a chart in png file.
Update doc string format
Draw a downloads-by-versions chart given an emacs-lisp package for marmalade
Separation of concern between the chart and the web namespace:
- Chart compute the data regarding the chart
- Web deals with answers to client
Refactor - Use ring.util.response to extract similar behavior
Add symmetric behaviour between /packages/ and /charts/ api
Add more details on readme