Fix ScheduleUI issue where clear button was not enabling.
Fix ScheduleUI menus showing soon entries.
Fix ScheduleUI time format being T instead of f.
Fix ScheduleUI cancel menu out of order.
Add special case format for `_format_until` with 0 distance.
Add `TimeSlot` repr.
Add `Sesson` repr.
Fix issue where noshow could potentially deadlock sessions.
Fix issue where `create_booking` could add garbage to cache.
Add `bot.idlock` for snowflake locking.
Remove valid channel check from clock off.
Changed implementation of batchrun.
Add `cog.nowid` for easier introspection.
Add more logging.
Fix issue where empty tasklist would raise ZeroDivisionError.
Fix issue where empty tasklist UI would error.
Fix issue where >4000 char tasklists would error on bulk edit.
Fix `/tasks edit` not responding to interaction.
Fix task acmpl going over 100 chars.
Fix empty tasklist text and UI layout.
Add `/tasks upload` for editing long tasklist.
Small UI tweaks.
Make `LionContext.error_reply` always ephemeral if possible.
