Add company_name to accounts and import it too.
Add base_amount to invoice_itemline, so we can display exactly what amount was used for computing taxes.
Floor current CServ totals instead of rounding them when importing, since this is what CServ did.
Allow handling your own parameters too when using Limesco->new_from_args() to parse tool parameters.
Invoice generation tool. Retrieves invoice and account information from the database, and exports to tex and PDF files.