GENERAL:
    - Complete the get_meta method:
	the ultimate goal is to remove
	all "harmful meta" stuff
    - Fix the ugly function get_sharedir
    - a better external app  handling

TESTSUITE:
    - return code ?
    - modularity : only test format that can be processed
        on the actual config (and don't impose to have all deps
        to run the testsuite)

DOCUMENTATION:
    - need updates (mainly about pdf processing)

GUI:
    - Drag and Drop
    - Fix the statusbar