As a developer I want to ensure that usernames are unique, while user emails are not, in order to ensure unique endpoint for private timelines and avoid impersonation #82
Acceptance criteria:
It should be possible for multiple users to be registered with the same email
It should not be possible for multiple users to share a username
Acceptance criteria: It should be possible for multiple users to be registered with the same email It should not be possible for multiple users to share a username