minor modification to the checks

commit.go

				break
			}
			account := fields[0]
			account := fields[1]
			debit := true
			if strings.HasPrefix(fields[1], "-") {
			if strings.HasPrefix(fields[2], "-") {
				debit = false
			}
			value := new(big.Rat)
			value.SetString(fields[1][1:])
			value.SetString(fields[2][1:])
			t.Accounts = append(
				t.Accounts,
		}
	}
	if len(t.Accounts) == 0 {
		return errors.New("Transaction does not have any accounts")
	}
	// Check that they balance
	balance := new(big.Rat)
	for _, a := range t.Accounts {
		balance.Add(balance, a.Amount)
		if a.Debit {
			balance.Add(balance, a.Amount)
		} else {
			balance.Sub(balance, a.Amount)
		}
	}
	if balance.FloatString(2) != "0.00" {
		return errors.New("Transaction does not balance")

general.ledger

	cash	+5.00
	sheep	+5.00
2015-01-05	@general	blah
	savings	-10.00
	cash	+5.00
	sheep	+5.00