Expenses:
	Improve preference handling of currencies by reading
	custom currencies.
	
Category support: All records go into Unfiled when using --upload.

--upload misses out some entities.

GOption: The GOption output is ugly compared to popt. Until GOption
	can tabulate help messages cleanly, pilot-qof will continue
	to use popt.
	compare: (Goption)
  --invoice-vendor            Shorthand to relate an event or expense to a contact, by vendor. Requires -t.
  --invoice-city              Shorthand to relate an event or expense to a contact, by city. Requires -t.
	with: (popt)
  --invoice-vendor            Shorthand to relate an event or expense to a
                              contact, by vendor. Requires -t.
  --invoice-city              Shorthand to relate an event or expense to a
                              contact, by city. Requires -t.

