V1.83 Beta published. Support for productID 0x0000 Switch Extrude buttons with Speed+/- buttons when

V1.83 Beta published.
Support for productID 0x0000
Switch Extrude buttons with Speed+/- buttons when printing.
Some fixes

“Extrude buttons Speed+/- buttons when printing.”-------can I change E ratio in mid (during)print?
Does it have really working pause/start button?