add TODO

Eventually I hope to have a solid embroidery digitizing platform that matches the functionality of basic commercial applications.

TODO

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+ * BUG: really short rows get stitches outside bounds
+ * pattern-based fill?
+ * curved fill?
+ * extension to split a fill region into sub-regions that can each be embroidered all in one go
+ * extension to generate various kinds of underlay for selected paths
+   * center line
+   * edge walk
+   * sparse fill rotated 90 degrees
+ * extension to generate connection between two patches
+   * user will probably adjust, but then the endpoints are in the right spots
+ * setting for fill to tell it where to start (northeast, northwest, southeast, southwest)
+ * keep stitch plan objects and just update the ones that change
+   * use md5sum of <path> objects to see what's changed
+   * keep stitch plans in a layer above everything else
+   * set stitch plans to "noninteractive" so you can click through them to the paths
+   * this will make it work more like a "real" embroidery program
+ * use a GUI dialog in params script to load existing settings, making it more like a real app
+ * separate 'export embroidery file' command
+ * get rid of TSP entirely and make it completely human-driven
+ * add option for connection to next patch (jump or running stitch)