Scripting; added finBL.BankTransactionFunctions.UpdateDateCleared function

A new function, UpdateDateCleared has been added to finBL.BankTransactionFunctions.

This functions allows you to update the date cleared of a Bank Transaction. It returns a Boolean value indicating whether the function was successful.

Note, this should only be used for incoming payments.

Sample code is shown below:

Main = finBL.BankTransactionFunctions.UpdateDateCleared(BankTransactionPk, Date.Now().AddDays(2))