Merge: neo_doxygen: Be more professional

Add tests, correct minor mistakes and add missing documentation.

Signed-off-by: Jean-Christophe Beaupré <jcbrinfo@users.noreply.github.com>

Pull-Request: #928
Reviewed-by: Alexandre Terrasa <alexandre@moz-code.org>
Reviewed-by: Jean Privat <jean@pryen.org>

diff --cc tests/listfull.sh
index dbd92f9,e5bd3fb..6dafd08
--- 1/tests/listfull.sh
--- 2/tests/listfull.sh
+++ b/tests/listfull.sh
@@@ -13,6 -13,6 +13,7 @@@ printf "%s\n" "$@" 
        ../examples/mpi/src/*.nit \
        ../lib/*/examples/*.nit \
        ../contrib/friendz/src/solver_cmd.nit \
+       ../contrib/neo_doxygen/src/tests/neo_doxygen_*.nit \
        ../contrib/pep8analysis/src/pep8analysis.nit \
 +      ../contrib/nitiwiki/src/nitiwiki.nit \
        *.nit