Change log

pompy:
    - Removed some ids that don't cache.
    - Added more leatherworking itemids.
    - Added ids for the wotlk jewelcrafting epic gems and removed some ids that don't cache anymore.
John Pasula:
    - Fix copy/paste fail.
    - Updates requested by POMPY.
unknown:
    - Add engineering per Pompy.  Pompy,  I typo your name Pimpy at times.  You da man!
    - Add Tailoring, BS, LW and JC.  Need to refine list.
    - Update some docs.
    - Fix the resetitemlock and add a slash command for it (/iqr)
    - Added cooking recipes
    - Add a throttle for the safe query.  Will do 500 items and then pause a bit for the server to catch up.