Field_Radio: inherit Field_Select, as a radio is similar to a select
Field_Radio: inherit Field_Select, as a radio is similar to a select

and the changed validation is needed

koala-framework/koala-framework,kaufmo/koala-framework,Sogl/koala-framework,yacon/koala-framework,darimpulso/koala-framework,nsams/koala-framework,Ben-Ho/koala-framework,koala-framework/koala-framework,Ben-Ho/koala-framework,fraxachun/koala-framework,Sogl/koala-framework,kaufmo/koala-framework,darimpulso/koala-framework,nsams/koala-framework,nsams/koala-framework,fraxachun/koala-framework,yacon/koala-framework,kaufmo/koala-framework,yacon/koala-framework