Signup / Login doesn't work with PostgreSQL

[mytototo]

Hi there,

I tried the project in localhost both using sqlite and pg.

Using the sqlite adapter everything works fine.
However with the pg adapter the login and signup process is buggy on the server-side. It looks like the id of the user is not defined.

Any workaround regarding this issue ?
Thanks for your time.

[mg-stripe]

This should be fixed in #8. Let us know if you have any other issues!