New !rng syntax: !rng @something*5

This allows you to retrieve multiple @somethings with a single
command. Works for any @ group, and x can be up to 15.
Make the trailing ] on ??foo[x] optional
Add new command: \!abyss
Improve abyss.py
Fix learndb encoding forever, thanks to |amethyst
Add the !beer command
Rename !beer to !cheers
Elliott's fix for !apt
Merge branch 'whenzell' of https://github.com/bstrie/dcss_henzell
Add CAO 0.11 logs.
Give Sequell the 2012 tournament dates.
Fix t12 end date (elliptic).
Generate the henzell schema from crawl-data.yml metadata.
Add some missing names to credits.
WIP loadage with normalized schema!
More work on the new SQL load mechanism.
Update values that differ in case to the newest seen value.
All hooked up for queries
More WIP
WIP refactor.