Looks good so far. Maybe more tweaking needed.
Comments for the new container stuff

Added some comments to the new container stuff. Need to add more.
Fixed some scripts I managed to break.
Merge remote-tracking branch 'origin/about_time' into about_time
Now sending less UpdateContainment messages.
Temporary fix for the Baselines caching problem. Before this point we would amass an arbitrarily large "cache" of baselines and send them.
Fixed a bug in the creation script causing problems with duplicate items, etc.
Fixed wookies. Stupid hairy animals.
Merge pull request #558 from rcythr/about_time

Fixes for several problems