I'm trying to save a print by sending an API call to change the extruder temperature.  A bad pause caused the temperature to be set to 0, and it will not return back to the default printing temperature.  It tries to print at 0 C, which is cold extrusion, so I'm surprised it is letting me do that.    I'm trying to use the API documentation and digest authentication to accomplish this, but all I've been able to do is change the LED, and when I run the curl command through the API interfa