receiptomatic-www: Don't use row[n] in create_session()
receiptomatic-www: Don't use row[n] in create_session()

Use get_dbrow() to get a hash of column names and values, rather than
accessing the results by returned field number.

Signed-off-by: Andrew Clayton <02e0a999c50b1f88df7a8f5a04e1b76b35ea6a88@opentechlabs.co.uk>

ac000/receiptomatic