Maintenance/bugfix release.

NOTE: Automatic updates are broken for the moment, you will have to download it manually. New version will open the download page instead of automatically updating.

## Changelog
- Added capability to open update link in web browser
- Fixed treemap not working correctly with only 1 item on the list
- Blacklisted "Installer" folder for drive scanning
- Relaxed overly strict check for questionable directory names
- Updated rate link to a new website

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