Update EveCentralPrices.gs
Update EveCentralPrices.gs

adding a cache breaking mechanism. no effect if you don't use it, 

to use it, you'll need to specify the typeid range, the region, and a bit of text or a number, that you can change to force a refresh.
fuzzysteve/eve-googledocs-script,fuzzysteve/eve-googledocs-script