Introduce up-to-date check; allow target name only in database.get_metadata()
Linking all sources (fixes regression); fixed minimal, base and devel groups
Fixes and improvements
Introducing misc.gzip_file() to fix the corruption on some manual pages
Allow exact match in database.local_belongs; adjusting manual pages symlinks
misc.search_*() adjustments; needs_rebuild fix when null list
Added traceback messages and using them in lib/misc