New functions: _.sorter.number, _.is.yes, _.dummy, _.echo.
Fixed _.inherit and made more flexible.
Unload category after save to conserve memory.
Add _.is.literal.
Fix category count not updated when going from search to non-search.
Reduce closure compiler errors.
Add missing comma. Fix _.l error.
Fix paddings around highlight covering content.
Fix name / full search toggle would reuse (incorrect) result cache.