output fieldName in class always as last
output fieldName in class always as last

MultiCheckbox javascript uses that to get it's own fieldName

fixes tests

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