So this implies quite a change for files.
Sorry about conflicts which will be caused.
directory Interface::CGI should now be dropped.
I noticed that many scripts (reports ones, but also some circ/stats.pl or opac-topissues) still use Date::Manip.
allow to get a list of letters for a module.
overduerules is a tool relying on letter.pl
It will allow ppl to manage three levels of overdue thanks to a brand new overduenotice script to come out soon.