extend stdlib to allow import of more packages (#1099)

* stdlib: extend stdlib to allow import of more packages

src/runtime/stack.go

@@ -14,3 +14,7 @@ func (f *Func) Name() string {
 func Caller(skip int) (pc uintptr, file string, line int, ok bool) {
 	return 0, "", 0, false
 }
+
+func Stack(buf []byte, all bool) int {
+	return 0
+}