Added handling of loops
Added handling of loops


koshman86/osg,omega-hub/osg,XiaoCC/osg,ntoand/osg,ntoand/osg,XiaoCC/osg,stmh/osg,stmh/osg,stmh/osg,ntoand/osg,ghub/osg,artoolkit/osg,stmh/osg,omega-hub/osg,omega-hub/osg,koshman86/osg,artoolkit/osg,stmh/osg,XiaoCC/osg,ghub/osg,XiaoCC/osg,koshman86/osg,omega-hub/osg,ntoand/osg,XiaoCC/osg,ghub/osg,artoolkit/osg,artoolkit/osg,ghub/osg,koshman86/osg