Perform nullity check for MDAO.find() and MDAO.remove().
Perform nullity check for MDAO.find() and MDAO.remove().

jlhughes/foam,mdittmer/foam,jacksonic/foam,osric-the-knight/foam,osric-the-knight/foam,foam-framework/foam,jlhughes/foam,osric-the-knight/foam,jacksonic/foam,foam-framework/foam,foam-framework/foam,shepheb/foam,jacksonic/foam,foam-framework/foam,jacksonic/foam,shepheb/foam,mdittmer/foam,shepheb/foam,jlhughes/foam,jlhughes/foam,mdittmer/foam,mdittmer/foam,foam-framework/foam,osric-the-knight/foam