Version 1.6.4 - Moindou
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- Fixes a problem with the showinmenu option not being available to other content types
- Fixes a problem with the lang stuff and a required reference operator
- Fixes a problem with checksum verification and generation
- Fixes a problem in filemanager where access time was shown and not creation time.
- Adds tabindex to the list of selecatble properties in the site preferences.
- Fixes a problem with 404 errors if using internal pretty urls, and adding parameters to the URL
- Fixes a problem with the parent page property for restricted content editors.