pattern-fiddle

first version of all source code packed up into a .exe file ready to install.
notes:

• upload only clean screenshots from stitch fiddle or stitchboard
• remember the number of rows and columns in the tapestry
• output pattern supports four formats
  • straight line bottom right to top left (right to left)
  • straight line top right to bottom left (right to left)
  • straight line bottom left to top right (left to right)
  • straight line top left to bottom right (left to right)