added test for changing other account through TransactionItemRollupViewModel
enhanced logic to ensure callbacks are methods in ServiceEntity.save
added parseMoney method to string object
ensured that TransactionItemViewModel.amount() is a number, enhanced logic for parsing the value in formattedDebitAmount and formattedCreditAmount
added formattedCreditAmount and formattedDebitAmount to TransactionViewModel
enhanced transaction detail display to allow for editing transaction items