Version working with Inkscape 1.4 plus sorting

Added entity sorting to reduce head travel and make the print faster.

Version working with Inkscape 1.4

Fixed issue that doubled the gcode output.

Version working with inkscape 1.0

This version works with inkscape 1.0. It's tested and it should work.

Version working with inkscape 0.92

This is version of this plugin that works with older inkscape. It's tested and works on version 0.92.