backported following changes:
backported following changes:

add fulltext support into the database backup dumps 
don't backup the data from the sessions table nor the who's online table
delete the contents of the sessions table and who's online table after a restoration has been performed


scottcwilson/oscommerce2,osCommerce/oscommerce2,ruden/oscommerce2,haraldpdl/oscommerce2,osc2nuke/oscommerce2,haraldpdl/oscommerce2,scottcwilson/oscommerce2,osc2nuke/oscommerce2,ruden/oscommerce2,osCommerce/oscommerce2