Fix: changes are elements on the model not the document
Fix: changes are elements on the model not the document

fbergmann/libSEDML,fbergmann/libSEDML,0u812/libSEDML,0u812/libSEDML,fbergmann/libSEDML,0u812/libSEDML,fbergmann/libSEDML,0u812/libSEDML