Try to fix counting of mentions

Signed-off-by: emanuele <emanuele45@gmail.com>
2nd try at fixing linktree

Signed-off-by: emanuele <emanuele45@gmail.com>
redirect_expires was not remembered properly in $_SESSION

Signed-off-by: emanuele <emanuele45@gmail.com>
Merge pull request #1626 from emanuele45/tweaks2

Tweaks2