** DONE Improve the setup regarding the org-trello marker.
CLOSED: [2013-08-11 dim. 20:49]
** DONE Beginning end to end tests (primitive entries) CLOSED: [2013-08-11 dim. 20:49]
** IN-PROGRESS Use an intermediary server between org and trello to permit asynchronous actions (simple entity creation + simple entity deletion)
Update documentation from the package install menu
Refactoring - change some level verbosity.