Meerk40t

Adds in individual properties.
* RasterProperty
* EngraveProperty
* ImageProperty
* PathProperty
* TextProperty

Adds the Properties for the device.
* Flip X
* Flip Y
* Homes Right
* Homes Bottom
* Set new home position

Adds in ZDepth menu option.
Adds in Passes menu option.

Adds in some cursory webcam application stuff. Hit F4.

* Dual Drivers
* Operations Primary Objects
* Command Line Interface
* Raster Buffering Corrections.
* Right-To-Left Rastering
* Left-To-Right Rastering.
* Operations Classifications
* Shutdown Dialog
* About Dialog
* Device Manager
* Actualization Corrections
* Multi-Selection
* F9 Transform Key
* Device Specific Settings
* More isolated backend
* Backend Objects More Uniform

* Saves Project files now.
* GUI framerate fixes.
* Bug fixes.

If you set your rotary settings it will now add to operations in jobs, a preprocess to apply the required scaling. This will scale relative to your current laser head position.

* Adds a Kernel for modular code and that can be easily loaded and remixed as such.
* Adds language translations as a reasonable possibility. These have no languages currently save some weakly computer translated French. (Not in the current compiled windows version).
* Added signal grouping for better speed when executing.
* Added different draw modes to toggle.
* Added tree menu changes to allow visualization of tree icons.
* Fixed transparency raster bug.
* Fixed laser drive distance for arrow keys.
* Added a few hotkeys for 1, 2, 3, 4, 5 location saves and F6, F7, F8 for opening windows and input path.
* Corrected some elements of E-stop.
* Additional corrections for Mac OSX and Raspberry Pi.

Bugfix for None `scene_bounds` when calling Make Raster.