Fix overflow bug in scientificToNumber
Fix overflow bug in scientificToNumber

neobrain/aeson,roelvandijk/aeson,roelvandijk/aeson,jkarni/aeson,sol/aeson,23Skidoo/aeson,bwo/aeson,nurpax/aeson,abbradar/aeson,neobrain/aeson,plaprade/aeson,aelve/json-x,timmytofu/aeson,sol/aeson,SeanRBurton/aeson,sol/aeson,dmjio/aeson,JPMoresmau/aeson,lykahb/aeson,beni55/aeson