Fixed little bug where if a product where put to an active state the exclude for free shipping option would go on active too.

For manual changes, I altered the option 'flag' into 'exflag' (because activate or inactivate the product also uses this variable) for the exclude from free shipping option. You need to do this on 5 places in categories.php

Adjusted installation files (.txt .doc) and categories.php for direct overwrite included.

Included full package.

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