2005-03-05 Julien Cegarra <JulienC@psychologie-fr.org>

        * data/preferences.glade, data/gwget.schemas.in :
        Modified glade and schema to include options to limit max number
        of downloads
        * src/main_window_cb.c : Manage new additions in the schema file
        * src/gwget_data.c (gwget_data_start_download) :
        Check max number of downloads
        * src/main_window.c : Add a function to count max number of
        downloads (count_download_in_progress)