exec_streamer_builder.go
func (e *execStreamerBuilder) DebugInfo(s string) ExecStreamerBuilder {
	e.d.DebugInfo = s
	return e
}
func (e *execStreamerBuilder) DebugInfo(s string) ExecStreamerBuilder {
	e.d.DebugInfo = s
	return e
}
//DebugInfo adds debug info to be printed out when errors occur