Find cur_year_tick_advmode in devel/find-offsets.lua
Fix search for cur_season_tick and cur_season in devel/find-offsets.

It seems the one-off error is a problem with the original
save I used, and not the result of some general behavior.
Merge branch 'master' of git://github.com/warmist/dfhack into rendermax
rendermax: make citizen glow
rendermax: basic daylight
Merge branch 'master' of git://github.com/JapaMala/dfhack into rendermax
Merge branch 'rendermax' of https://github.com/jjyg/dfhack
Some performance fixes and tweaks. Opaque blocks can now emit light.