+ fixed segfault bug in CHitBorders::GetPageNumber() when requesting page-break number 4294967295 (i.e. 0xffffffff, i.e. UnknownPageNumber)
+ problem ocurred in a dwds kerncorpus test set; symptoms:
- initial page as declared by ddc opt-file 'page' bibl field wasn't getting read properly
- page counter was getting 'inherited' across various files