1.2.319 Update

-Fixed crash when using "Insert Column Right" on first column or "Insert Row Below" on first row.
-Fixed crash after opening a saved file and clicking on a chart without selecting a stitch first.
-Updated the instructions to only show 1s for knit and purl.
-Update Stitches / Colors used when removing a chart.
-Update Chart when undoing a border.
-Changed shortcut for Set Cell Size to not conflict with redo.
-Minor corrections to documentation.