0.9.1

Testing on live hardware
Fix touch screen number entry
Fix power on/off enables
Add g code touch screen entry
Fix no mdi command found
Fix spindle decrement if rpm is 0 turn off spindle
Use default spindle speed if found
Add missing import for copy mdi to clipboard
Fix g code run from line selection
Make feed hold enable button have the correct state after m53
Remove feed hold enable and feed hold neither one does anything
Disable reload action and button when running a file