force response body to be an array
add :get_list actions to all records that support it

Conflicts:
	lib/netsuite/records/accounting_period.rb
	lib/netsuite/records/assembly_item.rb
	lib/netsuite/records/department.rb
	lib/netsuite/records/item_fulfillment.rb
	lib/netsuite/records/non_inventory_sale_item.rb
add :allow_incomplete flag to be set on get_list actions
Adding place holder for get_list specs
Adding placeholders for configuration specs
Adding search auth credentials customization spec