3.87v

1. New trigger response type. Log action usefull in case you want to store historical chat actions.
2. Canned messages can have activity period. E.g some messages can be active during christmas period or just morning hours.
3. Chat export has more prefilled variables.
4. While sending manual message to online visitor it's possible to ignore bot.
5. Online hours operators statistic now has seconds filter.
6. Improved older PHP versions support.
7. PHP-Resque replaceable variables where lost during trigger process events.
8. Hide block by nick if visitor nick is "Visitor"
9. Large inactivity timeout values and custom permission to use them.
10. Region/State detection improvement for chats.

And many other changes all around

execute doc/update_db/update_259.sql for update