v1.25

        * log_number() and log_name() methods
        * -i mode in unrotate script
ignore all incomplete lines in rotated logs
coding style and uncomment todo
fix missing logs handling
1.26
v1.26

        * ignore all incomplete lines in rotated logs
        * fix missing logs handling
don't fail when log is empty and start => 'end'
read returns undef in the list context
dist.ini: use AutoPrereqs instead of deprecated AutoPrereq
releasing 1.27
v1.27

        * don't fail when log is empty and start => 'end'
        * read returns undef in the list context
Initial rollbackable cursors
Rollback cursors, using storage of several pos files.
All positions in one file
Single read of cursor file

Cursor::File reads file only on creation, stores positions in memory.
Rollback does not affect pos-file.
Use rollback in Log::Unrotate
Version 1.28
propper die message in rollback cycle
rollback_period POD
remove deprecated diag
v1.28

        * autofix pos-files using rollback
        * fix problem with pos-file parsing regexps
        * cursor tests