Account Applications, Applicants and Collateral; implement User fields for Date, Integer and Decimal values

Account Applications, Applicants and Collateral now include User fields for Date, Integer and Decimal values.

The following properties are available for AccountApp, AccountAppApplicant and AccountAppCollateralItem:

* UserDate(index) As Date
* UserDecimal(index) As Decimal
* UserInteger(index) As Integer

Where "index" is a value between 0 and 9, i.e. each of these allow 10 values to be stored.