Version 1.1.3.0
Add feed rate and spindle speed override buttons (GRBL 1.1) to main GUI
Bug fix in main GUI: no zooming during streaming - disabled background image (perhaps performance in Win-XP is affected)
Bug fix SVG Import: rectangle transform (G3 in roundrect) was bad
Bug fix SVG Import: missing end of GCode path before next SVG subpath starts
Bug fix routing error-message during streaming (or code check) from serialform to main GUI