Log Message:
Changes 6.1:
This release fix severals major issues and adds a new feature to disable weekly
reports with a new command line option --no-week-stat.
- Fix top domains report where url with port was reported in unknown
  domains.
- Add --no-week-stat to disable weekly reports generation.
- Fix and update Ukrainian translation file.
- Save the last line parsed line when squid-analyzer is interrupted to
  avoid loading twice the same data after restarting.
- Fix missing calendar menu on daily report.
- Fix problem with links to weekly summaries in SquidAnalyzer.pm.
- Add IO::Handle and FileHandle in Perl modules that should be loaded.