update document.lua according to API change in cre.cpp
update document.lua according to API change in cre.cpp

houqp/koreader-base,NiLuJe/koreader,koreader/koreader-base,NiLuJe/koreader-base,chrox/koreader,poire-z/koreader,Frenzie/koreader-base,houqp/koreader-base,houqp/koreader-base,noname007/koreader,frankyifei/koreader-base,NiLuJe/koreader-base,houqp/koreader-base,frankyifei/koreader-base,ashhher3/koreader,apletnev/koreader,Hzj-jie/koreader,koreader/koreader-base,Frenzie/koreader,frankyifei/koreader,NiLuJe/koreader-base,koreader/koreader,Frenzie/koreader-base,apletnev/koreader-base,Frenzie/koreader,NiLuJe/koreader-base,robert00s/koreader,mwoz123/koreader,apletnev/koreader-base,ashang/koreader,chihyang/koreader,NickSavage/koreader,apletnev/koreader-base,Frenzie/koreader-base,frankyifei/koreader-base,koreader/koreader,Hzj-jie/koreader-base,Markismus/koreader,NiLuJe/koreader,Hzj-jie/koreader-base,Hzj-jie/koreader-base,lgeek/koreader,pazos/koreader,houqp/koreader,apletnev/koreader-base,koreader/koreader-base,Frenzie/koreader-base,poire-z/koreader,koreader/koreader-base,frankyifei/koreader-base,Hzj-jie/koreader-base,mihailim/koreader