improve cmdline stack printing, so that there is no fatal error even if getting the 'stack' property fails
improve cmdline stack printing, so that there is no fatal error even if getting the 'stack' property fails

markand/duktape,pombredanne/duktape,tassmjau/duktape,reqshark/duktape,tassmjau/duktape,daimajia/duktape,pombredanne/duktape,reqshark/duktape,thurday/duktape,pombredanne/duktape,skomski/duktape,haosu1987/duktape,thurday/duktape,harold-b/duktape,haosu1987/duktape,harold-b/duktape,tassmjau/duktape,zeropool/duktape,harold-b/duktape,pombredanne/duktape,thurday/duktape,chenyaqiuqiu/duktape,reqshark/duktape,skomski/duktape,nivertech/duktape,daimajia/duktape,sloth4413/duktape,nivertech/duktape,kphillisjr/duktape,thurday/duktape,svaarala/duktape,sloth4413/duktape,zeropool/duktape,harold-b/duktape,nivertech/duktape,harold-b/duktape,markand/duktape,reqshark/duktape,markand/duktape,eddieh/duktape,jmptrader/duktape,nivertech/duktape,daimajia/duktape,eddieh/duktape,reqshark/duktape,kphillisjr/duktape,skomski/duktape,jmptrader/duktape,kphillisjr/duktape,zeropool/duktape,reqshark/duktape,haosu1987/duktape,eddieh/duktape,tassmjau/duktape,chenyaqiuqiu/duktape,nivertech/duktape,jmptrader/duktape,tassmjau/duktape,markand/duktape,chenyaqiuqiu/duktape,pombredanne/duktape,eddieh/duktape,thurday/duktape,svaarala/duktape,nivertech/duktape,rwaldron/duktape,nivertech/duktape,tassmjau/duktape,zeropool/duktape,markand/duktape,skomski/duktape,sloth4413/duktape,reqshark/duktape,haosu1987/duktape,thurday/duktape,rwaldron/duktape,svaarala/duktape,jmptrader/duktape,svaarala/duktape,nivertech/duktape,thurday/duktape,jmptrader/duktape,daimajia/duktape,nivertech/duktape,kphillisjr/duktape,chenyaqiuqiu/duktape,tassmjau/duktape,sloth4413/duktape,daimajia/duktape,eddieh/duktape,chenyaqiuqiu/duktape,harold-b/duktape,tassmjau/duktape,zeropool/duktape,svaarala/duktape,rwaldron/duktape,harold-b/duktape,svaarala/duktape,skomski/duktape,reqshark/duktape,haosu1987/duktape,daimajia/duktape,kphillisjr/duktape,reqshark/duktape,markand/duktape,jmptrader/duktape,sloth4413/duktape,skomski/duktape,pombredanne/duktape,sloth4413/duktape,haosu1987/duktape,eddieh/duktape,chenyaqiuqiu/duktape,sloth4413/duktape,svaarala/duktape,harold-b/duktape,sloth4413/duktape,zeropool/duktape,zeropool/duktape,skomski/duktape,jmptrader/duktape,markand/duktape,skomski/duktape,pombredanne/duktape,svaarala/duktape,reqshark/duktape,kphillisjr/duktape,harold-b/duktape,pombredanne/duktape,haosu1987/duktape,zeropool/duktape,kphillisjr/duktape,zeropool/duktape,jmptrader/duktape,haosu1987/duktape,kphillisjr/duktape,harold-b/duktape,markand/duktape,pombredanne/duktape,rwaldron/duktape,chenyaqiuqiu/duktape,markand/duktape,skomski/duktape,jmptrader/duktape,jmptrader/duktape,rwaldron/duktape,chenyaqiuqiu/duktape,sloth4413/duktape,sloth4413/duktape,tassmjau/duktape,svaarala/duktape,eddieh/duktape,rwaldron/duktape,markand/duktape,chenyaqiuqiu/duktape,eddieh/duktape,skomski/duktape,eddieh/duktape,kphillisjr/duktape,pombredanne/duktape,nivertech/duktape,chenyaqiuqiu/duktape,tassmjau/duktape,thurday/duktape,kphillisjr/duktape,zeropool/duktape,haosu1987/duktape,thurday/duktape,thurday/duktape,haosu1987/duktape,eddieh/duktape