Households

• OK [HOUSE] User should be able to able to create a household (becomes its Owner and also Member)

• OK [HOUSE] Owner should be able to remove members from their household

• OK [HOUSE] Owner should be able to update information of their household

• OK [HOUSE] Owner should be able to delete their household

• OK [HOUSE] Owner should be able to transfer household ownership to another household Member (Member becomes the only Owner)

• OK [HOUSE] Owner should be able to set household bank account number

• OK-ish [HOUSE] Owner should be able to invite other users by e-mail to their household (invited user becomes its Member)

• TODO [HOUSE] Owner should be able to generate an API token with role of a Member

Closes #48 (closed)
Closes #53 (closed)