List bills and invoices improvements

When you list bills (GET /v3/bills) and invoices (GET /v3/invoices), you can now filter and sort with additional fields.

You can now filter bills and invoices with additional fields.

Fields you can filter with	Available operators
`payFromChartOfAccountId` (Bills)	`eq` (Equal) `ne` (Not equal) `in` (In)
`payToChartOfAccountId` (Invoices)	`eq` (Equal) `ne` (Not equal) `in` (In)
`classifications.chartOfAccountId` (Bills)	`eq` (Equal) `ne` (Not equal) `in` (In)
`classifications.accountingClassId`	`eq` (Equal) `ne` (Not equal) `in` (In)
`classifications.departmentId`	`eq` (Equal) `ne` (Not equal) `in` (In)
`classifications.locationId`	`eq` (Equal) `ne` (Not equal) `in` (In)
`classifications.itemId`	`eq` (Equal) `ne` (Not equal) `in` (In)

See Filterable fields for the complete list of fields you can filter with.

You can now sort bills and invoices with the archived field. See Sortable fields for the complete list of fields you can sort with.