Reduce hide-thread expiry to 14 days; document
Wait a bit before expiring hide cookies
Simplify parent_post
Add parent_model helper
Pass model around in menuOptions hook
Move timezone code to its own module
Add Kioku for temporary cookie handling
Use Kioku for thread hiding
Wrap time adjustment
Optimize adjust_all_times() and extract helper
Check whether <time> adjustments are needed
Move readable_time into Onee-sama
Always parse cookies
Render post dates with client-requested timezone