clean up json cyclic structure test; add wide non-cyclic test
clean up json cyclic structure test; add wide non-cyclic test

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