Collection of zero, one, or multiple individual detail account entries. Contains
one AccountEntry object for each account entry returned. See the schema
documentation for AccountEntryType for details on its properties. You can uniquely identify
the entries that the GetAccount call returns within the AccountEntries tag.
Specifically, the following fields, returned within the AccountEntries tag,
can be used in combination as a unique key: AccountEntry.Date, AccountEntry.AccountDetailsEntryType,
AccountEntry.ItemID, and AccountEntry.RefNumber.