Debugger document fixes
Debugger document fixes

- Clarification for heapptr dvalue
- Mention dvalue debug transport in debugger doc

svaarala/duktape,svaarala/duktape,tassmjau/duktape,jmptrader/duktape,skomski/duktape,jmptrader/duktape,tassmjau/duktape,sloth4413/duktape,eddieh/duktape,jmptrader/duktape,eddieh/duktape,svaarala/duktape,jmptrader/duktape,kphillisjr/duktape,harold-b/duktape,tassmjau/duktape,chenyaqiuqiu/duktape,markand/duktape,jmptrader/duktape,markand/duktape,skomski/duktape,reqshark/duktape,tassmjau/duktape,harold-b/duktape,kphillisjr/duktape,harold-b/duktape,zeropool/duktape,tassmjau/duktape,sloth4413/duktape,reqshark/duktape,jmptrader/duktape,chenyaqiuqiu/duktape,jmptrader/duktape,skomski/duktape,markand/duktape,tassmjau/duktape,chenyaqiuqiu/duktape,jmptrader/duktape,skomski/duktape,eddieh/duktape,zeropool/duktape,tassmjau/duktape,reqshark/duktape,chenyaqiuqiu/duktape,chenyaqiuqiu/duktape,svaarala/duktape,skomski/duktape,markand/duktape,zeropool/duktape,markand/duktape,harold-b/duktape,sloth4413/duktape,kphillisjr/duktape,reqshark/duktape,nivertech/duktape,nivertech/duktape,kphillisjr/duktape,kphillisjr/duktape,chenyaqiuqiu/duktape,kphillisjr/duktape,skomski/duktape,svaarala/duktape,eddieh/duktape,zeropool/duktape,markand/duktape,kphillisjr/duktape,harold-b/duktape,chenyaqiuqiu/duktape,tassmjau/duktape,zeropool/duktape,reqshark/duktape,harold-b/duktape,harold-b/duktape,zeropool/duktape,nivertech/duktape,zeropool/duktape,sloth4413/duktape,markand/duktape,sloth4413/duktape,eddieh/duktape,zeropool/duktape,markand/duktape,harold-b/duktape,eddieh/duktape,sloth4413/duktape,nivertech/duktape,chenyaqiuqiu/duktape,svaarala/duktape,skomski/duktape,nivertech/duktape,kphillisjr/duktape,sloth4413/duktape,eddieh/duktape,skomski/duktape,nivertech/duktape,skomski/duktape,svaarala/duktape,skomski/duktape,reqshark/duktape,svaarala/duktape,nivertech/duktape,markand/duktape,eddieh/duktape,reqshark/duktape,nivertech/duktape,nivertech/duktape,markand/duktape,tassmjau/duktape,chenyaqiuqiu/duktape,kphillisjr/duktape,zeropool/duktape,zeropool/duktape,nivertech/duktape,reqshark/duktape,reqshark/duktape,kphillisjr/duktape,jmptrader/duktape,eddieh/duktape,harold-b/duktape,svaarala/duktape,eddieh/duktape,jmptrader/duktape,tassmjau/duktape,sloth4413/duktape,sloth4413/duktape,chenyaqiuqiu/duktape,reqshark/duktape,harold-b/duktape,sloth4413/duktape