Clearer error for source decode error (GH-504)
Clearer error for source decode error (GH-504)

jmptrader/duktape,harold-b/duktape,harold-b/duktape,svaarala/duktape,markand/duktape,markand/duktape,jmptrader/duktape,svaarala/duktape,svaarala/duktape,jmptrader/duktape,harold-b/duktape,harold-b/duktape,harold-b/duktape,markand/duktape,jmptrader/duktape,markand/duktape,markand/duktape,jmptrader/duktape,markand/duktape,svaarala/duktape,svaarala/duktape,harold-b/duktape,jmptrader/duktape,markand/duktape,jmptrader/duktape,svaarala/duktape,jmptrader/duktape,markand/duktape,svaarala/duktape,harold-b/duktape,jmptrader/duktape,markand/duktape,jmptrader/duktape,markand/duktape,harold-b/duktape,svaarala/duktape,svaarala/duktape,harold-b/duktape,harold-b/duktape