add a couple of variables to speed up UID lookups. Based on the assumption new visual gears and gears will tend to be at the end of the list. Set them on successful lookup or script gear creation, clear on delete. Oh also pick up a couple of TrevInc's translation changes

[patterns]
**.h = native
**.c = native
**.cpp = native
**.lua = native
**.txt = native
**.pas = native
**.inc = native