Cookies: Set expires flag for remember cookies
Cookies: Set expires flag for remember cookies

Without this, session remembering would not work in Internet
Explorer (and Edge?).

Fixes #1127.

Luceos/core,Luceos/core,malayladu/core,datitisev/core,Luceos/core,flarum/core,malayladu/core,datitisev/core,flarum/core,flarum/core,malayladu/core,datitisev/core,malayladu/core,Luceos/core,datitisev/core