[PD] Pd 0.37.4 app test release for MacOS X

[0001]

>  It's also important to print the error messages, so that Tcl can
> tell you that the error is actually "bleh.tcl not found" instead of "an
> error occurred..." or just "Segmentation Fault"....

well, actually the only way Tcl has to tell me there is any error is 
happily crashing  the wish shell.
I'd love to be enlightened about how to avoid this.
in fact I think it used to pop up messages before


.
g