The endpoint GET /api/documents/{id} return a list of items but the item
haven't the description. With this update will return the description of
a item.
Signed-off-by: Vitor Mattos <vitor@php.rio>
The endpoint api/documents don't return the category of invoice/bill as
the endpoint api/transactions do. With this change will be possible
return this value.
Signed-off-by: Vitor Mattos <vitor@php.rio>