Add 'raw' and 'do' methods, add _check_required_if
Add 'raw' and 'do' methods, add _check_required_if

RafaelPalomar/girder,manthey/girder,salamb/girder,jbeezley/girder,msmolens/girder,Xarthisius/girder,girder/girder,msmolens/girder,sutartmelson/girder,girder/girder,manthey/girder,RafaelPalomar/girder,RafaelPalomar/girder,manthey/girder,kotfic/girder,salamb/girder,msmolens/girder,sutartmelson/girder,RafaelPalomar/girder,adsorensen/girder,data-exp-lab/girder,msmolens/girder,jbeezley/girder,manthey/girder,sutartmelson/girder,essamjoubori/girder,data-exp-lab/girder,adsorensen/girder,opadron/girder,essamjoubori/girder,salamb/girder,essamjoubori/girder,kotfic/girder,essamjoubori/girder,jbeezley/girder,kotfic/girder,RafaelPalomar/girder,adsorensen/girder,opadron/girder,opadron/girder,adsorensen/girder,opadron/girder,opadron/girder,kotfic/girder,girder/girder,data-exp-lab/girder,Kitware/girder,adsorensen/girder,Xarthisius/girder,sutartmelson/girder,jbeezley/girder,salamb/girder,kotfic/girder,Kitware/girder,data-exp-lab/girder,girder/girder,essamjoubori/girder,salamb/girder,Kitware/girder,Xarthisius/girder,data-exp-lab/girder,Xarthisius/girder,Kitware/girder,sutartmelson/girder,Xarthisius/girder,msmolens/girder