Fixed bug when doing chapter split.
Fixed bug when doing chapter split.

eos87/Booktype,aerkalov/Booktype,aerkalov/Booktype,MiczFlor/Booktype,rob-hills/Booktype,sourcefabric/Booktype,eos87/Booktype,kronoscode/Booktype,okffi/booktype,sourcefabric/Booktype,sourcefabric/Booktype,kronoscode/Booktype,danielhjames/Booktype,eos87/Booktype,eos87/Booktype,ride90/Booktype,btat/Booktype,okffi/booktype,olegpshenichniy/Booktype,rob-hills/Booktype,olegpshenichniy/Booktype,kronoscode/Booktype,btat/Booktype,ride90/Booktype,btat/Booktype,MiczFlor/Booktype,ride90/Booktype,aerkalov/Booktype,danielhjames/Booktype,kronoscode/Booktype,ride90/Booktype,kronoscode/Booktype,ride90/Booktype,okffi/booktype,olegpshenichniy/Booktype,danielhjames/Booktype,eos87/Booktype,sourcefabric/Booktype,MiczFlor/Booktype,okffi/booktype,btat/Booktype,sourcefabric/Booktype,okffi/booktype,olegpshenichniy/Booktype,danielhjames/Booktype,MiczFlor/Booktype,danielhjames/Booktype,rob-hills/Booktype,MiczFlor/Booktype,rob-hills/Booktype,olegpshenichniy/Booktype