Fix base where falsy computed properties were not computed
Release v0.4.4
Add inherits method & release v0.4.5
Update README
Improve validations to validate the number zero.
Release v0.4.6
The $save method now calls the createURL if there is no primary key on the object being saved, and the updateURL if there is already a primary key on the object being saved.
Spec for $saving using create versus update
Release v0.4.7
Pass field name and instance to custom validations.
Release v0.4.8