Make `Read.is_starred` be `None` by default (have no default, in fact). We could use `False` as “I do not like it value”, besides of the traditional `True` value.
Make `Read.is_starred` be `None` by default (have no default, in fact). We could use `False` as “I do not like it value”, besides of the traditional `True` value.

WillianPaiva/1flow,WillianPaiva/1flow,WillianPaiva/1flow,1flow/1flow,1flow/1flow,1flow/1flow,WillianPaiva/1flow,1flow/1flow,WillianPaiva/1flow,1flow/1flow