New context engine variables for line of credit accounts

We added to our library of context engine variables, further expanding your capabilities when using variables in rules, statements, and more. Now, the following values can be retrieved using new context engine variables:

• rewards-current-points-balance shows the total number of rewards points.
• credits-array.card-id shows the card ID associated with a credit.
• status-due-interest shows the outstanding interest that is currently owed on the account.
• status-due-fees shows the total of all outstanding fees that are currently owed on the account.
• status-principal-balance shows the current outstanding principal balance on the account.
• linked-loc-transactions-array shows certain transactions from other Lines of Credit linked to the original account.